How to Simplify Radicals (NancyPi)

Published on May 15, 2018 by

MIT grad shows how to simplify radical expressions, specifically square root expressions, into their simplest form ("Simplified Radical Form" or "SRF Form"). To skip ahead: 1) for a PERFECT SQUARE under the root like sqrt(16) skip to time 1:29. 2) for a SMALL number under the root that is NOT a perfect square like sqrt(32), skip to time 2:45. 3) for a LARGE number under the root, such as sqrt(343), skip to 5:14. 4) for a PRODUCT, meaning a number times a square root like 5*sqrt(54) skip to 7:30. 5) for a QUOTIENT, meaning a number divided by a square root like 4/sqrt(2), and where you have to RATIONALIZE the denominator, skip to 10:10. and 6) for a more complex QUOTIENT example like (4+sqrt(3))/(5-sqrt(3)) where you have to multiply by the CONJUGATE to simplify, skip to 12:36. Nancy formerly of MathBFF explains the steps.

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For all simplifying radical problems:

1) First try to find a perfect square number that divides evenly into the number under the square root. Perfect square numbers include 4, 9, 16, 25, 36, 49, etc. because they are squares of the numbers 2, 3, 4, 5, 6, 7, etc., respectively.

2) Separate the root expression into the two numbers you found as factors, with each number now under its own square root symbol. For example, sqrt(12) = sqrt(4) times sqrt(3).

3) Keep simplifying. The square root of a perfect square becomes just a number, without the radical square root symbol. sqrt(4)*sqrt(3) becomes 2*sqrt(3).

4) Check to see if anymore simplifying can be done, either by combining constants or finding another perfect square number that divides evenly into your factors. If no more simplifying can be done, you have your final "simplified radical form" (SRF) answer, 2*sqrt(3).

If there is a square root anywhere in the DENOMINATOR, you must "rationalize" the denominator, in other words, somehow get rid of the root in the bottom, in order for the expression to be considered simplest. For example, if you have 4/sqrt(2) you must use the trick of simplifying by multiplying the expression by sqrt(2)/sqrt(2). This will clear the square root in the bottom. If you multiply straight across, you would get 4*sqrt(2)/2, which simplifies again to 2*sqrt(2).

If you have a more complicated fraction with a square root in the denominator, like (4+sqrt(3))/(5-sqrt(3)), you will need to use the "conjugate" to simplify. This means multiplying top and bottom by the expression in the denominator, but with the middle sign flipped. Here you would multiply by (5+sqrt(3))/(5+sqrt(3)), multiply straight across on top and bottom using FOIL-ing and distribution. Some terms will cancel in the bottom, leaving you with a simpler denominator that has no square roots.

For more of my math videos, check out:

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  • Akshit Saxena 5 years ago

    You’re the best! 😊

  • Robbae 5 years ago

    in the U.K. we call them surds

    • Walt R. Buck 5 years ago

      It was just a joke. By absolute I mean the absolute value of a number such as 2 or -2. |-2| = 2.

    • Milbox R 5 years ago

      Robbae in here we call them turds

    • Ankit Arya 4 years ago

      @Milbox R 😂😂😂😂😂

    • Tuyen Lam 4 years ago

      In America, we call you a turd.

    • Erik Rodriguez 4 years ago

      @RobbaeAbsolute is the value of the distance from 0.

  • kartik kumar 5 years ago

    Make a video for functions pls

  • The Gardening Astronomer 5 years ago

    (a+b)(a–b) = a^2 – b^2

    • Boinks 5 years ago


    • Shivank Mahor 5 years ago

      sin^α•cos^α= 1

  • sofia 5 years ago

    please do videos on iequalities!!!

  • amty 5 years ago

    nancy for president

    • Awa Diallo 4 years ago

      D3lete more like Obama for President again

    • Mayan Boricua • 9 years ago 4 years ago

      Orange man bad!

    • Pamela Mawire 3 years ago

      I lve u

    • Gnomed Mother-Fucker 3 years ago


    • PinkKangElo 3 years ago

      trump 2020…

  • Bruno Viana 5 years ago

    I love you ❤💜

  • Ollie Pie 5 years ago

    i want to be friend with her

  • 360 pp 5 years ago

    You make mathematics interesting .

  • Jeff M 5 years ago

    very attractive, very nice, very smart thumbs up

    • Irene M 4 years ago

      Jeff M Y’all act like you’re reviewing a car or some shit. “Very nice”

    • Hammaad Ahmar 4 years ago

      @Irene M hahaaaaa

  • Sophia Yap 5 years ago

    What if the sqrt of 121 was raised by a cube?

  • Thomas Andrews 5 years ago

    “It’s okay you don’t have to like math but you can like my videos”

    • VanClaaude 3 years ago

      @Franck’s Notes She doesn’t speak French, does she?

    • Franck's Notes 3 years ago

      VanClaaude She might 🤷🏾‍♂️

    • VanClaaude 3 years ago

      @Franck’s Notes She could be a Wookie for what I care, she’d still be cute.

    • Zach Courtney 3 years ago

      @Proman974 -BGS what else is he supposed to like her for? Her personality? Shes teaching math lmao tf wrong with u

    • M Ijaz 3 years ago

      Its ok mam

  • Jerry Gundecker 5 years ago

    Nancy, level with us. What planet were you and Einstein, Planck, and Descartes really born on?

  • Susan Chen 5 years ago

    thank you. i understand so much more now

    • Angkor Wat 4 years ago

      I dont understand

  • Ahmed Mzhr 5 years ago

    Can I say if there is under root square is cubed are number root the number?
    For example
    Let n=x^3 if( x^3 )^1÷2 = x . (X^1÷2) is that true ??

  • Michael Bodrick 5 years ago

    Thx 4 all ur help

  • daniel millan 5 years ago


  • Johan Liebert 5 years ago

    This 17 minute duration video helps me alot than a 1 hour lecture of this lesson

    • Wil Shirley 4 years ago

      Thank you for the help.

    • Leonhard Euler 4 years ago

      These videos cover a year’s work

    • peachyydose 3 years ago

      @Leonhard Euler trueee trueee

    • Eli- Tech 3 years ago

      I AM LITERALLY CRYING. I am SAYING bro some Teachers should JUST not TEACH and Assignment Homework videos (WIth NancyPi as a Guide!) For REAL For REAL!

    • Langston Jones 3 years ago

      Daniel Jon facts

  • Industrial SystemsPT Class 5 years ago

    Great job

  • Colt 5 years ago

    can she write backwards or something??

    • Awa Diallo 4 years ago

      Or she on the otherside

    • Qishi Li 3 years ago

      Flipping image in editing won’t work. I think this is how she does it. And the only way I can think of that can create this kind of effect. Here’s a pic to illustrate my point.

    • Precut 3 years ago

      she reverses it just like your t shirt in a selfie cam or mirror does

    • Langston Jones 3 years ago

      I am also very confusion about that

    • Noname Mothafuqer 3 years ago

      Nancy is a god

  • I M POSSIBLE 5 years ago

    Thanx mam here it is known as surds.

  • Sachin Dhiman 5 years ago

    mam you mathed is so very well..

  • aviationist 5 years ago

    Nancy, you look like my ex gf…. at least you gave me something that makes sense. Saved my grade tonight; high five! (I forgot all of this high school math about ten years ago)

  • Rajeev Kumar 5 years ago

    We can simplify denominator
    We know that the vale by the learning of Exponent √=1/2
    Then we can use it
    We can simplify denominator
    √2= 2½
    4√2/2½+2½ ( we add the power not add base if u can understand)
    4√2/2= 2√2

  • Rajeev Kumar 5 years ago

    Another method to solve it
    4+√3 * 5+√3/5-√3*5+√3
    In numerator only use distributive law of algebra
    So we get
    23+9√3/ 5-√3*5+√3 ( in denominator we can use algebra identities we can use (x+y) (X- y) = x²-y²
    So we get
    23+9√3/22 ans

  • Vincent Ortega 5 years ago

    Thanks, Nancy, you explain math so clearly. God bless you, Nancy.

    • dave forfav 4 years ago


  • Cameron Gray 5 years ago

    What is her writing backwards huh

  • Ramakant Sahay atarra 78 5 years ago

    mam you are very beutyfull your voice is magical l like you

  • Evelyn 5 years ago

    Thank you!

  • Brad 5 years ago

    Ty for this video my math teacher is garb

  • Sam 5 years ago

    I don’t know why but as a portuguese speaker (I live in Brazil) it’s easier for me to watch an english lesson rather then a portuguese lesson. Is this strange?

    • Marcelo Calenga 4 years ago

      @Fuinha Amiguinha kkkkj

    • Trendyrapslut 3 years ago

      your appearance is a little stranger

    • Miblive 3 years ago

      @Archer I am also Brazilian but I don´t think it has anything to do with that. It really comes down to the teacher. She speaks in a calm manner, not in a condescending tone and take her time. A Brazilian teacher would speak really fast as if you were suppose to follow and keep up with him or her in every step of the way. At least all the ones I had were like that.

    • Camembert d'Alembert 3 years ago

      are you sure the reason is the language ? shouldn’t it be the girl ?

    • SWOͶE 3 years ago

      @Camembert d’Alembert yeeeeeeeeeeeeeeees thank you for pointing that out!

  • Debra Arizona 5 years ago

    Nancy, your video was very helpful. I never understood how to simplify radicals. Watching your video has given me a better understanding. Thank you for sharing.

  • Bee H 5 years ago

    This is legit the most helpful vid on the internet

  • Tarun Kumar 5 years ago

    It’s not a shortest way you should apply formula to solve it easily

  • Roshan Lamichhane 5 years ago

    Nancy can you make videos that can help people taking the SAT or the ACT

    • Camila Summers 3 years ago

      @Maddie Patty thank you 😊

    • Maddie Patty 3 years ago

      @Charlie Kowtarapu did you get into the college you wanted?

    • Charlie Kowtarapu 3 years ago

      Maddie Patty I took it in 8th grade so IDK yet. But you’ll be fine as long as you study a decent amount. It isn’t super difficult

    • Maddie Patty 3 years ago

      @Charlie Kowtarapu im going into 9th after the summer – how was it?

    • Charlie Kowtarapu 3 years ago

      Maddie Patty it was pretty simple and not super hard

  • Walid Abdulrahim 5 years ago

    square root of 125 is not equal to 15 square root of 6. It should be 5 square root of 5.

    • Idk what to name myself lols 5 years ago

      Walid Abdulrahim why is that?

  • Jake Truell 5 years ago

    *does default dance*

    • sami 4 years ago

      Jake Truell pew new new new new *claps*

  • James Prendi Student 5 years ago


  • julius gervacio 5 years ago

    Thank u I have a test tomorrow and u helped a lot !!!

  • Ismail Ismaili 5 years ago

    thank you so much Ms. Nancy you make Math easy to me.

  • Aaliya Ali 5 years ago

    Amazing video helped me a lot thank you😊

  • Neissa Watson 5 years ago

    thanks this really helped both me and my seven year old.😊

  • Neissa Watson 5 years ago

    This will up him to the next level and he won’t tell me he’s bored.☺

  • Happyson gmei 5 years ago

    Excellent,but what the use of learning these.

  • Anastasia Boofenheiser 5 years ago

    Thank you so much!!!! I watched 2 videos b4 yours and was still lost. You explained it wonderfully and now I finally get it!

  • Catherine Tutten 5 years ago


  • Christopher Dieckert 5 years ago

    nancy is hot

    • Laurel Btsgirl 4 years ago


  • Wicked Red 5 years ago

    Thank for explaining it easier

  • Juliana Duran 5 years ago

    this is sooo helpful !

  • John Park 5 years ago

    My teacher taking an hour and this woman explaining more in depth than my teacher in just 17 minutes

  • Blanchard Manzombi 5 years ago

    Thank you

  • Gracie Lyn 5 years ago

    this is so helpful🙏🏼🙏🏼🙏🏼

  • Pasia Omega 5 years ago

    OMG thank you for saving me from a night of weeping over my trig homework, because it’s been a hot minute since I worked with radicals.

  • Celebrities Live 5 years ago

    A beauty gifted with knowledge

    • Gloria Jaurequi 4 years ago

      Gifted? Lol She practiced. A lot.

  • ibrahim mahdi 5 years ago

    Your so beautiful i wish to will date us

  • Nancy Montenegrod5r 4 years ago

    You taught me more than my instructor could in 1hr and15 minutes!! Thank You So Much!! I LOve your name by the way!!lol

  • kaaylashae 4 years ago


  • Rajarshi Misra 4 years ago

    I really love your videos. But can you make a video on some topic that wrecks our brain, that makes us push harder, a videos for pro mathematicians.

  • Rajarshi Misra 4 years ago

    Here’s a great problem for you:
    Let p be a prime. Find all solutions in positive integers of the equation(2/a)+(3/b)=(5/p).

    *I solved this question using modular arithmetic. Do you have some better solution?

  • Jerry Gundecker 4 years ago

    What would this be used for? Is there a practical application?

  • raza nisar 4 years ago

    9:08 couldn’t you simplify the square root of 6 into square of 2 times square root of 3? That’s what we did to 54 so why would we not apply the same rule to the 6? Or is it because it’s not one of those perfect square numbers?

  • mason feliciano 4 years ago

    Amazing teacher🙏🏼thank you sm

  • Angie M 4 years ago

    Very helpful! In calculus these radicals get more complicated, and its easy to forget the simple rules!

  • Vic Sehmbi 4 years ago

    I’m just impressed to the fact that you’re able to write backwards. If I tried to write 1+ 1= 2 backwards I think would experience a stroke.

    • ash 3 years ago

      Vic Sehmbi lmao

  • crownbock123 4 years ago

    She’s sexy and she knows it

  • ZurabTV 4 years ago

    You deserve more subscribers!

  • bob 4 years ago

    How am I supposed to concentrate when you look like that?

  • caihl lagdaan 4 years ago

    Hard to focus on lesson with her face.

  • Anmol Jyoti 4 years ago

    Is this is difficult ?? In India we learn all this in middle school

    • Zebra Pleco 4 years ago

      Anmol Jyoti the problem is u never use this in the real world so your brain classifies it as useless and its forgotten. It’s a waste of time learning something like this in the first place in my opinion unless you’re pursuing accounting or physics maybe.

  • J.R. 4 years ago

    I was trying to find the sqrt of 180 and started with 2 times 90 and the answer was 6 sqrt15 but when I checked to see if my answer is correct the answer was 6 sqrt5. Can you tell me where I was wrong and why please?

    • Tuyen Lam 4 years ago

      James Hetfield, you are so wrong. The answer is 5 sqrt 6. The highest square that goes in to 180 is 36. 36 squared is 6. 36 times 5 is 180. Therefore the answer is 5 square root 6.(I’m nine and one half.)

    • Tuyen Lam 4 years ago

      James Hetfield , wait you are right. Sorry.

    • J.R. 4 years ago

      Thanks 🙂

  • Nick Hough 4 years ago

    I have a lot of problems with this in school

  • Uttar Dakshin 4 years ago

    Please make video on surface areas and volume

  • Uttar Dakshin 4 years ago

    Who is Ur teacher

  • rashed obeidat 4 years ago

    Very helpful, thank you

  • _desuchan_ 4 years ago

    cool, but give Russian subtitles please

  • def 5297 4 years ago

    Let’s hear it for the lefty’s!!

  • John Pusey 4 years ago

    I never knew that learning math could be so sexy.

  • Bellina Rodriguez 4 years ago

    Thank you so much sweetie! Your videos helped me a lot in math class! 😘😘

  • gwyd 4 years ago

    i like math now

  • Patrick MC 4 years ago

    Thanks a lot Ms. Nancy. I understand it much better. God Bless! 🙂

  • Ying Tzarm 4 years ago

    thank you so much! This solved my one week long problems.

  • Paul-thestupid1 4 years ago

    Thank you, Nancy, Your delivery is awesome.

  • miguel verde 4 years ago

    With you, math is super fun. Like a game.

  • Zebra Pleco 4 years ago

    Algebra sucks ass but you’re cute lol

  • raj k 4 years ago

    thank you 💓

  • Tim Wilson 4 years ago

    I can’t pay attention

  • kel2580 4 years ago

    That cute soft speaking is not working! This is math, you MUST speak up in order for students to understand. I had a math teacher in college and she used local Chicago gangs as certain calculations. She lost me right there, and I had to take the dam class again and it dropped my GPA!

    • Bella Jailene 4 years ago

      kel2580 But… this is a YouTube video, not school. Obviously the people watching it aren’t being forced to watch it and are watching to help themselves outside of school so they are going to listen, or else they wouldn’t be watching.

    • kel2580 4 years ago

      I don’t get it!

  • Ellie Weber 4 years ago

    Just realized she’s writing backwards

  • Kenny Parada 4 years ago

    Only video that helped lol

  • Beau Staab 4 years ago

    be my wife nancy

  • ezzie az 4 years ago

    12:00 square 2 times square 2 is 4 then the square of 4 is 2 . is that applicable to other problems .
    Thank you so much for sharing and I think you a pit hot to be teacher .

  • Human Errer 4 years ago

    Don’t you work less if you use the greatest perfect square instead of working from the “4” up? For example, 16 is the greatest perfect square of 32, and 16 has a perfect square of 4, giving you 4 root 2, in two simple steps.

  • love Forever fashion 4 years ago


    2. 1


  • David Perez 4 years ago

    She’s an angel

  • Hitman King 4 years ago

    I wish I could keep watching your mathematic lessons because I believe I can improve thanks alot you’re just magicians:)

  • 25 Games 4 years ago

    Missed one day of school, came back completely lost when I came back and the teacher gave me hw on this. Thank you so much, great video, makes perfect sense.

  • Chelo Refamonte 4 years ago

    this motivates me to learn math

  • Daniel 4 years ago

    Thanks fam, I owe you a sandwich

  • Laurel Btsgirl 4 years ago

    Thank you so much. It was really helpful.😊😊

  • Laurel Btsgirl 4 years ago

    Uh…how can i add unlike squareroots ..which cannot be simplified?

  • Michelle Carlon 4 years ago

    Very helpful video! She explains each step very clearly…thank you!

  • Zorro Dilavega 4 years ago

    @9:34 it helps me so much !!!!, thank you so much

  • Raisa Talle 4 years ago

    It helped me a lot!!😅😅💕💕💕💕💖

  • Raisa Talle 4 years ago

    Thank you so much,
    Wish that more videos to come!🙏🙏🙏😅😅💖💖💕😆

  • Raisa Talle 4 years ago

    Heyy Nancy😅😅Can you make a video that will encourage us TO LOVE MATHEMATICS😅😅😅😅🙏🙏💖💖

  • Yusef Saleh 4 years ago

    This girl is magical

  • Leo Plenos 4 years ago

    are she single? just asking

  • ARES206 4 years ago

    Aside from being absolutely stunning….is anybody’s mind blown that this chick is writing left handed AND backwards? WOW!

  • eman neil 4 years ago

    im not gonna lie its really hard for me to concentrate when she looks like that so pretty,smart and sexy thats what i like the most on girls,,,,,,,if shen gonna be my teacher i will never be absent on class

  • Đắc Tuấn Official 4 years ago


  • Agent 43 4 years ago

    She’s so hot & that makes it so much easier to learn cuz im glued to the screen

    • Watermale83 3 years ago


    • Cosette Haynes 3 years ago

      lol same

  • eman neil 4 years ago

    got a question how can you simplify this radical expression (2sqrt(6))(5sqrt(10))

  • Donna Nguyen 4 years ago

    Nancy, i love your knowledge! you teach me how to solve roots with perfect sq. and not perfect sq.

  • davetileguy 4 years ago

    What’s the little transition noise?

  • Brian Ross 4 years ago

    Thought the same thing.

  • ian dobrowolski 4 years ago

    Thank you for the help.

  • Kelly Schmidt 4 years ago

    My math teacher explained much differently making it harder for me to understand

  • DAVID DJJD OLAVARR 4 years ago

    I don’t know any of this stuff, but is kind easy to grabbed. As long as you know about that list of perfect squares, is all you need. Thanks Nancy, again.

  • Amoon RA 4 years ago

    I love you pie. explanation

  • Gloria Jaurequi 4 years ago

    Thank you Nancy! You have refreshed my math memory on the conjugates.
    Also, wow… Try quenching your thirst by drinking some H2O boys !!!

  • RinoKiiu 4 years ago

    I have a teacher that couldn’t teach for their life. You just helped me out because I was almost on the verge of crying my eyes out. Thank you so much!!

  • Ngai Hong 4 years ago

    Do you have a boyfriend…..

    • mahi zen 4 years ago

      Tiger Man 😂😂 your names tiger man lol

    • Ngai Hong 4 years ago

      mahi zen yes sir

  • B. Huff 4 years ago

    Thanks so much for making this easy to understand!

  • kamel hatem 4 years ago

    Thanks a lot teacher!!!

  • Orlando Valle 4 years ago

    How does she write backwards??

  • angie 4 years ago

    helped more than my irl teacher

  • Logic Circuits 4 years ago

    Nice tutorial. Next, teach a derivation of the Good-Thomas FFT algorithm and watch the high-school students’ heads explode.

  • 주주몽 4 years ago


  • 주주몽 4 years ago

    하이 Teacher

  • Asmat safii 4 years ago

    Mame you are so hot

  • Asmat safii 4 years ago

    I like you so much

  • UnderBridge Rock 4 years ago

    Nancy is my hero. I swear there isn’t a mathy female in my entire state. She’s a true unicorn. Math people make me feel warm inside.

  • Viktor 4 years ago

    12:24 Are you actually allowed to do that last step? It feels wrong to me

  • B. Dániel 4 years ago

    interesting presentation method 😀
    i’m sure she is not left handed xD

  • pk p 4 years ago

    She is too hot

  • kidconfuzed 4 years ago

    I know how you write backwards, im not gonna spoil it tho, just remember if you ever get married take your ring off before you record any vids thanx for your expertise

    • Irene M 4 years ago

      kidconfuzed I- I’m so confused…

  • Jayyy Zeee 4 years ago

    @NancyPi, I’m impressed by how much info you include in the notes. Great job! I used to tutor math students, and saw so many people failing with the algebra. It’s nice to see you emphasizing those things. I always emphasized liberal use of parentheses to help students with sloppy habits.

  • Hh Mm 4 years ago

    Proud of you, keep going.

  • raj k 4 years ago

    Thank You!!

  • Joe Jaffe 4 years ago

    Excellent video helped me brush up on math I haven’t used in a long time…thanks, and keep up the great work Nancy.

  • Estefany Pacheco 4 years ago

    What math class is it?

  • V i B E S 4 years ago

    i didn’t even understad everything she said

  • Ethan Vasvary 4 years ago

    Thanks so much, was having a hard time getting it but this helped a lot

  • Johan Esbach 4 years ago

    Hi Nancy, on your second line, could the denominator be explained as being, Sqrt 2 x Sqrt 2 = Sqrt 4, which then equals 2?

  • Greg Deane 4 years ago

    Excellent explanation. Pleasant to hear your clear articulation. Good teachers are a great blessing.

  • jwarior 4 years ago

    first time in my live I see an angel teaching

  • John Lamee 4 years ago

    Man… Our math teacher is hot….. Like extremely.

  • BananaRepublicUSA KangarooCourts 4 years ago

    Math never looked so good. 👀

  • joro353 4 years ago

    Math rules!

  • Chris 4 years ago

    I am using parts of this video in my Algebra One course Nancy, your even and deliberate pace is perfect for a classroom activator! Thanks!!!

    • Game Clips - TheLegend 4 years ago

      Chris West how to not do your job lol

  • Get Nae Nae’d 4 years ago

    Sometimes I wish I wasn’t in accelerated classes

    • Jaxon Armstrong 4 years ago

      brooo sammeeeee

  • Get Nae Nae’d 4 years ago

    Why are half of these comments about her looks?????

  • ilLinois 4 years ago

    Nancy is best teacher compare to other youtuber teacher, her explanation is clear and clean.. shes the best!

  • Ayaz Academy 4 years ago


  • Aramis Stavridis 4 years ago

    Damn girl

  • Dapper_Mudkip 4 years ago

    I understand now! Thank you!

  • Marie 4 years ago

    I still don’t get it!!💀💀

  • Judith Hill 4 years ago

    Nancy you are a natural teacher, you explain every detail.

  • John Locke 4 years ago

    I can’t figure out if she’s friendly by nature or just smirking at our dumbasses bc we didn’t pay attention in HS 🙂

    • Miss Mutale 4 years ago

      She smirking 😂😂

  • Michael Husain 4 years ago

    Great video, thank you for the guide!

  • Meme Goblin 4 years ago

    Yo I came here to learn about simplifying radicals

  • ngun cer 4 years ago

    U guys notice that she writing backwards?

  • Sal Vulcano 4 years ago

    Milexis <3

  • James Peters 4 years ago


  • Adam Gabir 4 years ago

    if I were a millionaire, would you be my personal tutor?

  • Kylie Loomis 4 years ago

    Thank you for making it so much easier to understand, I was so lost, this helped so much!

  • sally ocean 4 years ago

    just subbed 😉

  • App 4 years ago

    You helped me so much with my homework, it was a breeze. Thank you so much!!!!!! I subbed and hit that like button, Thanks!

  • Human Mike 4 years ago

    Think I would have done better in math if she was my teacher

  • Assael Cruz 4 years ago

    How tf she writing backwords so easily lmao

  • Sajid Gb 4 years ago

    Mam your so beautiful

  • TheLastCheezCurd 4 years ago

    I watch this purely for asmr

    • ZI TING ZHENG 3 years ago

      @DeeCee Studios yeah but it’s called a comment section for a reason

    • One Two 3 years ago

      @ZI TING ZHENG It’s not called cringe section for a reason

    • ZI TING ZHENG 3 years ago

      @One Two ???

    • Alfred K 3 years ago

      @One Two L

    • denis gaming 3 years ago

      learning asmr

  • Buggy 99 4 years ago


    • Cheese Cake 4 years ago

      Buggy 99 maybe but I feel like she just horizontally flips the recording after she’s finished as others have said.

    • Carlos Guzman 4 years ago

      @Cheese Cake it would flip her hand too no?

    • LopsidedEdits 4 years ago

      @Carlos Guzman that’s the point, she’s writing with her right hand, so when it is flipped it seems as though she is writing with her left hand

  • Thomas Barber 4 years ago

    Hi, Nancy. When reporting the square root of ’16,’ why don’t you report ‘4’ and ‘-4’?
    Your vids have helped me greatly. Thanks.

  • Tenfold Victory 4 years ago

    Thank you so much. This helped me a lot.

  • Cooldibs 4 years ago

    Cutest math helper online

  • Tay Tay 4 years ago

    This was so much more helpful than my teacher!! Thanks

  • Cdrive32 4 years ago

    God bless

  • sweepzi 4 years ago

    Yo what is she writing on

  • Portgas D Ace 4 years ago

    Why isn’t my math teacher that hot 😂😂

  • How to Do Stuff with Ethan 4 years ago

    edit your vids!!!

  • Cheese Cake 4 years ago

    Wait for the last example there where only 2 terms being subtracted so it was easy to tell what the conjugate was what if u have 3 or more terms do u change all signs between numbers?

  • Shahid Khan 4 years ago

    How does she record. My mind in fkd

    • Nayyer Irbaz 3 years ago

      i guess she is writing on a glass and then taking a mirrored image

  • Dangelo arturo 4 years ago

    Thanks i have a quiz tomorrow

  • Pedro Flores 4 years ago

    Thank you so much! I really understand and love your voice. Very clear and doesn’t feel rushed.

  • Mark Torres 4 years ago

    This is the video that finally let this click for me. Thanks Nancy!

  • Hooralain Sultan 4 years ago


  • Unknown Name 4 years ago

    Very easy

  • Sneky Animus 4 years ago

    I was having trouble understanding how to simply radicals in geometry and this video was very helpful.

  • Samaira Saood 4 years ago

    thank this will surely help me

  • Kyle Russell 4 years ago

    Root signs cancel? It seems to me that you just multiply the numbers within the roots regardless of if they match or not. sqrt(3)*sqrt(3) = sqrt(9) which in turn equals 3. But if the problem were sqrt(2)*sqrt(3) = sqrt(6)

  • muhammet islam bedirbeyoğlu 4 years ago

    Is she writing inverse !?

  • Deema mahmood 4 years ago

    I have no idea why my teacher thought this to us like we have done before. She didn’t explain in details

  • Deema mahmood 4 years ago

    Thank you !! Now I can do my math homework easily

  • joel Chauhan 4 years ago

    thanks nancy……

  • Ajay Kumar Reddy 4 years ago

    Can you cover more advanced topics such as Probability, Multi-Variate Calculus, etc .?

  • TERA PLAYER 4 years ago

    15:10 it’s faster to just use (a-b)(a+b) = (a²-b²)

  • Nazar M. Safi 4 years ago

    better than my professor, i feel you are injecting math in my mind.

  • Syed Hussain 4 years ago

    How does she write backward like that?

  • Camden 4 years ago

    I swear Mrs.Nancy you just blessed me I almost gave up on math.

  • Mankiran Kamaal 4 years ago

    You make it fun for me by writing ✍️ in different color markers

  • DefNotAlex 4 years ago

    Is it me or does Nancy seem like she is being forced to do this?

  • James Summers 4 years ago

    can you solve this for me?

    5 divided by 2root7

    • Carlos Guzman 4 years ago

      5 root 7 over 14

  • Scott Grohs 4 years ago

    You complete (…) me.

    …the square for

  • Boss 19 4 years ago

    You explain ok… but too slow

    • Lsa Sea 4 years ago

      You can make the video speed faster 😅

  • Boss 19 4 years ago

    You sound depressed lmao

    • Monty Pig of the Doodle Clan 4 years ago


  • thedundies 4 years ago

    Her voice is so relaxing

  • Lsa Sea 4 years ago

    before watching this I was just a square.. but now i’m a perfect square

    • acemint 3 years ago

      that was so beautiful

    • Hendriadi Tjandra 3 years ago

      nice one

    • Hpee Sailo 3 years ago

      @Sarah Gomez .ook………k.k…..k..o..ok…k………….o.ok.k..k……….m…k…k..k..k…k…ko.o……l..o..l…..k.k.k…..o.o..o..k.k.k..o.

    • Jeryl Morgan 3 years ago


    • Srinivasarao Yenugula 3 years ago


  • J M 4 years ago

    Great video, thank you

  • Nayeli R 4 years ago


  • Carlos Guzman 4 years ago

    I would marry nancy lol 😅 pretty and smart

  • Brandon Spiegel 4 years ago

    Dang, this is a radical video. #punny

    • Monty Pig of the Doodle Clan 4 years ago


  • Vinyamin Lobchinskiy 4 years ago


  • Toni Martine 4 years ago

    Thank you so much 🙂

  • Opps ps 4 years ago

    Hi Miss, how can i solve radicals to final answer with out any calculator?

  • Reza's Corner 4 years ago

    Oh my god. Thank you so much. This was so clear and taught ne so well. I needed this information for an Algebra 1 test tommorow. I never even slightly understood what the teacher meant. This helped so much. Thank you so much.

  • mono man 4 years ago

    please do more. you are a great teacher..

  • Jose Ramos 4 years ago

    legal….prof….😀 nancy…..

  • Patricia Rivera 4 years ago

    Such clarity! Thank you.

  • Michael Turner 4 years ago

    Lmao. You’re math is so good I decided to subscribe. And I never subscribe to teachers. Good job Nancy you deserve your subs!

  • Kshitija Jadhav 4 years ago

    Love ur teaching from India 😉😉

  • Satishkumar Satish 4 years ago

    Simplify 6√36+5√12

  • Alisa Augustin 4 years ago

    Thank you!

  • Anoronix 4 years ago

    Great video!

  • Hen Tye 4 years ago

    Got a math ad nice

  • Franky Vivar 4 years ago

    shit i cant concentrate i wonder why

    she hella cute no🧢

  • indigopeach 4 years ago

    I always thought FOIL only works with quadratic equations.

  • Kasper369 4 years ago

    come one guys just focus on math v r giving negative feed back to her

  • David James 4 years ago

    How is square root of 16 4? What happened to +- 4?

  • David James 4 years ago

    at 5:00, why not take sqrt(32) and use 16 in the perfect square table to get 4 * sqrt(2) quicker than the method you showed?

  • LowJack187 4 years ago

    You can’t simplify radicals, we are too complex!

  • Carni 4 years ago

    You’re an MIT grad? Insane.

  • Craig Richardson 4 years ago

    Wait with the √32 you divided by 4 but why not choose to divide by 16 as 16 is larger and also divides equally? Any help? Thx

  • lol beauty 4 years ago

    U r a really good teacher
    Thanks helps me a lot#

  • Ego and Wadz 4 years ago

    You’re very smart not only you’re good at math but you can write with your left hand

  • ROLANDO CHACON 4 years ago

    Thanks NancyPi…you make it look easy….

  • Irina Ciobanu 4 years ago

    This help a lot

  • Aditya Bhardwaj 4 years ago

    Hi Nancy could you pls make videos about GMAT maths and quant section ?? It would be a great help ,,
    You are a “pretty” good teacher ,,
    I appreciate your great efforts,,

  • Melpomene , 4 years ago

    not all heros write backwards

  • Muhammed Mohamed 4 years ago

    I love you

  • Caroline Nguyen 4 years ago

    OH MY GOD, this video is so helpful! 🙂 I’m a freshman in highschool, and I thought that I would never know how to simply radicals,:( but now I do! Thanks a lot NancyPi!!!!!

  • R Comp 4 years ago

    Do you have a video with variables and exponents?

  • dcningbo 4 years ago

    5:20 “A big ugly number like 125”. Love these videos.

  • gravelman5789 4 years ago


  • Anna Bruce 4 years ago

    If I had this math teacher I’d pay attention every day in class. Not just because she’s beautiful, but because she’s so good at explaining that she deserves my respect. Thanks so much for the vid!

  • Nayeli n 4 years ago

    Thank you so much I have been struggling so much 😭 thank you again ❤️💜💙💚


    How many clicked here because she was good looking? ME

    • SomeCuntsUsingMyName 3 years ago

      Attractive x ASMR = Hard to concentrate

  • Damien Landau 4 years ago

    Easier method is to look for the highest perfect square that goes into it rather than the lowest because it becomes unnecessary to simplify it. Instead of starting with “4” for sqrt32 you should start with “16” (sqrt32 = sqrt16 x sqrt2 = 4 x sqrt2).

  • c. g. 4 years ago

    Oh my sweet Jesus…. Why can’t all my teachers be like you?

    • capie44 4 years ago

      Van Halen says it best.

  • capie44 4 years ago

    1:04 WOW! She knows to swallow without broadcasting it by smacking her lips!!!!
    She keeps her expressions and movements to a minimum (even her lips while speaking,) uses her eyes to draw you back-and-forth from her face to her work while keeping her face focused on the board work, writes backwards legibly — ALL definite character traits of a public presenter.
    Good job that proves she’s a trained orator.

    Those in COMM classes that want a class-A example how to speak to the public efficiently should watch NancyPi’s videos.
    Bad Habits – (which is surprising – considering her skill):Shows nervousness at the beginning of the video, but gets in her zone by 1:40 (this is when her bedroom-eyes kicks in), uses “Alright/Okay/Now/so” as bridges to start her points. Misplaces her smile when asks for your “like” at the end of the video. You can find the others. The presentation would still get an A- from my college-trained evaluation.

  • capie44 4 years ago

    17:03 I am surprised (at how much I learned in 17 minutes that I didn’t in high school and college) that NancyPi did not point out that “23” is a prime number so that confirms the expression is in it’s simplest form.
    I’ve just learned, (lonely heart distracting me included) more in 17 minutes that all the hours in high school and college. If only I had the wisdom now in my youth.

  • Ivan Hernandez 4 years ago

    Thank u!!!!! I’m in algebra 3 and I got so messed up on theses

  • c philly20 4 years ago

    Prettiest girl ever

  • not neko 4 years ago

    what if its asking for the square root as the product of two square roots?

  • capie44 4 years ago

    5:00 Yep. I’m back. HOW can a person make “Four” sound so romantic?

    • Hannski 1771 3 years ago

      capie44 did your nasty your like 60, ugly and fat.

    • capie44 3 years ago

      @Hannski 1771 English, please.
      ( give a resounding compliment…)

    • Hannski 1771 3 years ago

      capie44 your like 60 she’s like 20. You are a weirdo and a loser

    • capie44 3 years ago

      @Hannski 1771 : Welcome to your future 😘

  • Mike 4 years ago

    Oh my God! I love you. Thank you!

  • npoess 4 years ago

    Outstanding Thank You

  • Squidward Tortalini 4 years ago

    Anyone else realized that she had to write all this stuff backwards, in order for us to see it normally? I find that impressive.

  • K3N 4 years ago

    omg thank u so much i have watched so many videos and was still confused until i came across ur video. i finally understand it, honors geometry is a pain. thank u so much nancy<3

  • Flexxi Gota 3 years ago

    Anyone else say… Square root than radical?

  • Apar Chand 3 years ago

    sorry with all due respect it’s really hard to focus while watching her teach. No disrespect, just wanted to share my thought.

  • nidusaquilae76 3 years ago

    Nancy doesn’t get squared. She is a perfect 10!

    • z3k3 3 years ago


  • Elijuah Penn 3 years ago

    are you writing backwards ??

  • AutoElite 3 years ago

    Well, this is the first time I’ve subscribed to a math channel.

  • Rainier Cantos 3 years ago

    Thank you for the clear explanation

  • Emily Ballesteros 3 years ago

    She makes more sense then my math teather 😑😂

  • Hannibal Lecter 3 years ago

    Nancy, you make me crazy! I can not follow, because you are to pretty.

  • BestTikTokClips 3 years ago

    Thank you

  • Allison Farber 3 years ago

    Can you come to my school and be my math teacher?

  • Александр Соколов 3 years ago

    You are cute.

  • Lavania Del Rey 3 years ago

    And this whole time I thought I was unreachable

  • Teddy W.C harawa 3 years ago

    Fantastic. can not thank you more!!

  • Mohamed Fathy 3 years ago

    I Love You

  • Miguel Concoles 3 years ago

    Thanks I learned alot

  • jekyllhiding 3 years ago

    So helpful! I wish I could send you a thank you basket or something.

  • Karbo 3 years ago


  • Precut 3 years ago

    the fact the she writes it from behind fucks with me anyone feelin that?

  • holly 3 years ago


  • Steven Scott 3 years ago

    When you started 0:44 I wrote the answers to the ones I KNEW how to do. When you got to 05:13 I was thinking “O.k. the next one is 7 times the square root of 7. When you wrote “125”, I could see the answer in my head, and was thinking, WHY did she change it from 343 to 125? ~ 0:44 You said you were going to show us how to multiply [5 times the Square Root of 54] TIMES [4 times the Square Root of 31], but at 10:00, you didn’t. I got the final answer of 3 times the Square Root of 186. Is this correct? ~ Since this was as far as I KNEW how to do, and since you didn’t show what you said you would show, I stopped watching at 10:07

  • Jose Martinez 3 years ago

    Damn, I never knew about the perfect square. I use to think the number under the radical was difficult which I never finished. Thank you so much for explaining it in detail. My teacher rushes math in 4 hours!

  • thamer jundi 3 years ago

    thx thx a lot i have a test twommowro and now i understand it <3

  • Chief Louie 3 years ago

    Washington needs you!

  • Kenneth Sionnie 3 years ago

    She actually looks like spider mans aunt though.

  • HowdyHorses 3 years ago

    I love how she’s writing all this backwards so neatly and I can barely write normally.

    • ПLneu Ц 3 years ago

      It gives me anxiety

  • Berlin Chen 3 years ago

    Bruh stop w the ads bro I’m bout to fail a text😂

  • Hana Oh 3 years ago

    why did this help me more to understand than my teacher?? 😂

    • Priinccesss Peachh 3 years ago

      A reason to be happy that I’m quarantined 😂

  • MUGEN 3 years ago

    Best teacher fam

  • Summit Gamer 3 years ago

    Thank you for showing me how to do this
    I’m in H Geometry doing an algebra 1 review and i couldn’t remember how to do this

  • Brandom Castor 3 years ago


  • Ali O 3 years ago

    Wouldn’t the square root of 6 simplify to 2 x 3 or something like that??

    • Stressteiend 3 years ago

      No, it just doesn’t *work* because nothing goes into 6 that is a *PERFECT* Square, -nor- 6 *isn’t* a *perfect Square* .

  • Wolf 3 years ago

    put it on 1.5 speed, thank me later 🙂

  • Bee Yang 3 years ago

    Math is so sexy

  • Ossama Abodorra 3 years ago

    I don’t understand

  • Ossama Abodorra 3 years ago

    Can you solve this question

  • Ossama Abodorra 3 years ago

    Root 75_2 root 27 + 3 root 1/3

  • abduljabbar mohammed 3 years ago

    You are a great great tutor.Keep up.

  • Langston Jones 3 years ago

    Thank you so much. You have helped me out in algebra 2 so much. I appreciate what you are doing on YouTube. Keep up the great work

  • panterasux22 3 years ago

    NancyPi: big ugly number

    125: awh fml

  • Braylin Ludwig 3 years ago

    can u tutor us

  • Braylin Ludwig 3 years ago

    need help asap

  • blue bubblegum 3 years ago

    Thank you sooooo much nanci
    I understood the lesson from you

  • Pablo Partida 3 years ago

    Thanks fot the video its really helps a lot I understand more with you than my college professor

  • Clayton Sanders 3 years ago

    This is an excellent tutorial, but I have to ask: are you writing numbers backwards on a glass screen to demonstrate?

  • Kevin Paredes 3 years ago

    Thanks Nancy!

  • Sarah D 3 years ago

    Thank you for not assuming I knew what a perfect square is. Also I found you after getting thoroughly confused on Khan Academy. THANK YOU!

  • chosen one 3 years ago

    It’s 6

  • O Yeah I Got them ! 3 years ago

    You’re gorgeous Nancy 😭😍

    • yvestheshark shark 3 years ago


    • O Yeah I Got them ! 3 years ago

      Xxcoolgamer xX how is complimenting a girl make me a simp? You clearly don’t have experience with them if you think what I did is simping.

  • Siddharth Arora 3 years ago

    ohh shittt, she has grey-blue eyes and is a lefty!!!!

  • Drew Powers 3 years ago

    yall best not be out here simpin or else some hands boutta be caught

  • Md.Atikur Rahman 3 years ago


  • PRO -FILMS99 3 years ago

    17 min video which is surely better than a 2hour lecture. Appreciated :))

  • Lucis Han 3 years ago


  • sodaba ibrahimi 3 years ago


  • Dylan M 3 years ago

    couldn’t wrap my head around knewton’s explanations. Was about to lose my mind. Your calm and steady voice did the trick. Hopefully i’ll be able to complete my assignments thanks to you

  • Tryhardnoob 3 years ago

    Are you Nancy 3.14?

  • Max Mudita 3 years ago

    Why isn’t it 1.7540…

  • Carrillo Family 3 years ago

    Do you tutor? I live in Carson CA

  • Snowey Jr 3 years ago

    Great vid, I understood immediately!

  • Paul Price 3 years ago

    Oh my god I just learned at age what a square root.

  • Cream cheese 5 3 years ago

    how does she write backwards like that

  • Yoerny Rodriguez 3 years ago

    Thank u so much

  • Michaela Rose 3 years ago

    Thank u soooo much

  • Mike Jouhari 3 years ago

    8:36 Isn’t the square root of constant 9 both +and- 3?

    • Zoher Seraj 3 years ago

      Mike Jouhari
      Smart question
      But idk 😐

    • Sara Bohn 3 years ago

      Normally, yes, but when simplifying radicals, you are only taking the positive root

  • Charl0z1 3 years ago

    How many tank tops she got

  • Zahraa haithm 3 years ago

    Thank you 😘 you help me I like your video ♥

  • Pooja Singh 3 years ago


  • here i am 3 years ago

    and if there is 7) example
    i mean what if with base there is a power (exponent) so as the power is on root (idk what it is called exactly )
    i know you won’t reply or heart it but i don’t need it anyway please help me !! you can include it in one of your video and send me the link than you can delete your like your teaching is really good i can’t understand other than your teaching :(help me:)

  • jwarior 3 years ago

    thanks a lot

  • Laina Dowker 3 years ago

    is nobody going to talk about how youre writing backwards

  • noapology88 3 years ago

    Thanks, Nancy Pi

  • Anshu Mishra 3 years ago

    U are cute

  • Dean Smith 3 years ago

    For some reason, I was struggling with this. Thank you NancyPi for explaining it in a way where I do get it now.

  • forever SHAMPOO 3 years ago

    shes so beautiful because of her intelligence, but she is physically beautiful as well haha

  • Grandma's Cheeks 3 years ago

    Thanks homie

  • an actual bird 3 years ago

    Thanks so much for this I missed the day my teacher taught this lesson

  • sheedonomee 3 years ago

    i have watched so many videos of this and kept on getting it wrong, this was super helpful

  • Trevor Sheely 3 years ago

    I missed the week my teacher taught this lesson and my teacher isn’t good at explaining math so thank you so much

  • Olivia Greco 3 years ago


  • Mimicakes 3 years ago

    Nancy, this is amazing! Thank you so much! 🙂

  • Troy C 3 years ago

    would have been much simpler, and Nancy knows this, was to choose root 16 x root 2. root 16 gives you 4 root 2

  • Troy C 3 years ago

    root 2 x root 2 is root 4. 4 is a perfect square of 2, so you can drop the root symbol which just leaves 2.

  • Sir Grooster 3 years ago

    I’m radically in love 🙂

    • Nathan Jones 3 years ago

      Matthew Grooster and I’m radically calling the police

  • Troy C 3 years ago

    and yes the pink marker is an absolute necessity for Nancy.

  • Troy C 3 years ago

    root 3 x root 3 = root 9. 9 is perfect square of 3 so you can drop the root symbol.

  • Carlos Greener 3 years ago

    Thank You !

  • Olga Suprun 3 years ago

    Are u single?

  • Ytpme 3 years ago

    Eu não sei oq eu tou fazendo aqui eu não falo inglês

  • Tre 3 years ago

    📢you saved me ma’am 📢

  • Jacob Phillips 3 years ago

    Thank You!

  • Order11110 3 years ago

    Nancy … 10 10 10 10 10

  • Peter Teoh 3 years ago

    before watching this I don’t like pie, but now I like Pi.

  • Umar Farooq 3 years ago

    unrelated question : What technology or software you are using for making such interactive video in which you are writing on screen effect is there?

  • Nidge on Tour 3 years ago

    Surds are fun with Nancy! xx

  • Moon Kid 3 years ago

    if you were my Nath teacher I’d never miss school

  • Conner Beierle 3 years ago

    Anyone here from Mrs. Surber’s math class?

    • Erin Kirksey 3 years ago

      Conner Beierle nah

  • MrStatguy76 3 years ago

    The square root of 16 is plus or minus 4 not just positive 4. -4*-4 is also 16.

  • Maria Patricio 3 years ago

    Did any of you even realize that she is also writing everything backwards so that the viewers can read it and see her face?

    • J R 3 years ago

      Maria Patricio I don’t think she is… maybe the camera was flipped or involved a mirror? haha

  • Webby Kaunda 3 years ago


  • Kristina Schaller 3 years ago

    saved me as a new “homeschool teacher” for an 8th grader…..way too many years since my algebra days!

  • perez Michelll 3 years ago

    I think it did help understand a little bit more, but how do you do it with fraction??????and , say if five square root with 4 as an exponent??????

  • karan singh 3 years ago

    Nancy I love you will you marry me.. plz reply.. Nancy🥰

  • Sabah Ali 3 years ago

    Pro i don’t know were should i loke

  • Aracely Garcia 3 years ago

    How is she in the board like that doe 🤯🤯

  • g ani 3 years ago

    @16:32, why is it not 23+9 root 6 since we are just adding two root 3s? You wrote it as 23+9root3. How did you get the root 3? Love your videos by the way.

  • Cassandra Gilbert 3 years ago

    Really good video, explains really good

  • Jacob Haley 3 years ago

    nancy, have i ever told you that you have a cute smile

  • toad toes 3 years ago

    I hate math >:(0

  • Joseph Garvey 3 years ago

    Thanks you so much, great lesson. Hey are you writing in mirror mode like Da Vinci?…far out!

  • Ray Ram 3 years ago

    Nancy is so good at communicating her subject , that I was finally able to see the light . Thank you Nancy!

  • Rodrigo Ibarra 3 years ago

    You are the perfect combination of beauty and brains. You just won another subscriber. BIG THANK YOU!!!!!!

  • Chanse Syres 3 years ago

    So much easier listening to a pretty girl lol unfortunately MATH AND PRETTY GIRLS 2020

  • Julian Gonzalez 3 years ago

    she badd

  • dcningbo 3 years ago

    “a big ugly number like 125”. lol

  • Ann Onymous 3 years ago

    Well, most radicals (部首) are simplified either as comparisons to running script or by the transformation of the traditional character into something easier to write and hopefully symbolically evocative. If instead you mean simplification of a radical (部首) to its abbreviated form, in principle the abbreviated form retains the structure of the radical (部首) but with fewer and shorter strokes. If instead you mean calculus then I really can’t help you. Which is why I am watching this video instead of memorizing even more Chinese characters…

  • sabestek 3 years ago

    pointless 17 minute video on only the stupid easy math radicals you’ll never ever see on any math exam whatsoever. show the freaking hard stuff will you..!

  • Chicken Legs 3 years ago

    So hot

  • Captain Haddock 3 years ago

    This girl writes backwards and parts her hair on the wrong side.

  • Armino 3 years ago

    Thanks a lot…👍🏽👍🏽⚘

  • Andre Boudreaux 3 years ago

    having to watch these during corona bc my teacher didn’t put notes 😂


      Andre Boudreaux same

    • ash 3 years ago

      Andre Boudreaux ikr

    • Average_ TTV 3 years ago


    • Zach Courtney 3 years ago

      same bro

    • ava lobdell 3 years ago

      same omg

  • VanClaaude 3 years ago

    I always associated math tutors with the Big Bang Theory kind of people. She is the heck of the exception to the rule.

  • Nosna 91 3 years ago

    Put the video at 1.5x speed so you don’t have to deal with the pauses. helpful video

  • The life of me 3 years ago

    Thank you so much. I am online, and this was one of the hardest lessons. I googled for help, and I came to this video. Understood it in a few minutes, rather than hours. You are a life saver. <3 Have a good day.

  • Bob Crachead 3 years ago

    I love the fact she’s talking slowly so we can understand her better,must be painful.

  • Rocco vitiello 3 years ago

    very good info

  • Simon hereshoping 3 years ago

    and THAT! is how you teach. (for all the powerpoint and paint creators)

  • Musicandhearts2396 3 years ago

    Thank youuu!!!! 🙂

  • Zilkzy 3 years ago

    niggas do be simpin tho

  • Syed Faisal Ali 3 years ago

    Hi dear Nancy. I always admire the way you teach but why I feel you are tired or loose confidence in this lecture. Any how Keep it up you are doing great job.

  • Envy 4O5 3 years ago

    Super helpful now I don’t have to go into a stupid zoom meeting to ask for help

  • lloyd kline 3 years ago

    My favorite algerba teacher, and the prettiest professor

  • Kevin Patino 3 years ago

    I really love Nancy teaches she has a wonderful calm voice that instantly draws you in to the end. She has a very great vibe that she spreads out. If she had a class i would definitely take her class.

  • Matt Dumele 3 years ago

    Thanks this helped a lot👍

  • Jowdii Heitz 3 years ago

    Thankyou NancyPi your explanations helping out with my assignment.

  • Harry Potter039 3 years ago

    What if I have a variable

  • beamerboy 1 3 years ago

    shrek wazowski

  • Terry Roberts 3 years ago

    You are so awesome..thank you

  • joshua mongare 3 years ago

    Nancy you suck

  • XxPain_KillerxX 3 years ago

    Why is her voice so relaxing

  • toro doro 3 years ago

    this VIDEO FUCKING sucKS!!!!

  • Emory Carter 3 years ago

    she has a soothing voice.. please don’t put me to sleep, ma’am

  • Arturo Martinez 3 years ago

    I just come to see the teacher … Good morning Nancy.

    • Tw1Stzz 3 years ago

      Arturo Martinez dude wtf

  • Emilee Ladra 3 years ago

    I learned this a while back and forgot the process, but you easily jogged my memory! Thank you!

  • Ogle Noelle 3 years ago

    can I just say she looks like Hannah Brown?

  • frank lamar 3 years ago

    wow math was just booring af but thanxs nancy nobel prize awards will choose u

  • Nemo Memo 3 years ago

    Only confusing thing is how you managed to right the way you did

  • Melchor Hipona 3 years ago


  • Andreitza 3 years ago

    thank youuuuu, you help me with my exam!!

  • Khalid Mohammed 3 years ago

    Are you lefty???

  • rajendra khandelwal 3 years ago

    nice explanation ..!!!

  • KawaiiSunflower 3 years ago

    Litteraly saved me like 2 minutes before a test so thanks so much

  • merhawi temnewo 3 years ago

    Super knowledge and presentation.

  • Catton Eclipse 3 years ago

    Is Nancy left-handed? I’m right-handed.

  • Nadeem ur Rahman 3 years ago

    I really appreciate your method of teaching math. Please, keep it up.

  • Baby Junoki 3 years ago

    She helped me learn so much and she’s so pretty

  • Surya Saini 3 years ago


  • Philo Mathic 3 years ago

    Sorry Nancy, if my comment hurts u in advance but surely it’s makes your work little easy and more lucid
    If u want to get square root of any number in simplest form ..
    Just write the number in prime factorization form and than u will get what I want

  • Philo Mathic 3 years ago

    Use little algebra while solving denominator , like “ (a +b) (a-b) = a^2 -b^2.

  • Emerson Francisco 3 years ago

    OMG the numbers are floating :O

  • RedRedMCmusic 3 years ago

    studying for the asvab over here and im happy i found this beautiful math teacher. had me refresh my math easier than i remembered in high school

  • Lucy Ng 3 years ago

    I wished you were my teacher! You teach this lesson really good!

  • Kali Keliihoomalu 3 years ago

    It’s more impressive how well she can write backwards

  • Jimbeitz 3 years ago

    Very Helpful!

  • RÎẞHÍK ẞÏÑGH 3 years ago

    😮 it’s amazing

  • R W 3 years ago

    Oh my God

  • Alpha Wolf 3 years ago

    188 dislikes, 188 people who may have been dropped at some point.

  • Nathan Chen 3 years ago

    SUPER GOOD EXPLANATION! I must admit, you are better than my teacher.

  • Mathematics Helpline 3 years ago

    Great Job

  • Pedro Garcia 3 years ago

    I like both

  • K Dog 3 years ago

    You’re a math goddess

  • Min Len 3 years ago

    Kinda late…. school is over now.

  • Universal Mathematics 3 years ago


  • Universal Mathematics 3 years ago

    How to make you this video

  • William Rizzo 3 years ago

    Your brain is so hot.

  • UNRELEASED_YKO 3 years ago

    Wish she was my math teacher lmao

  • Gnomed Mother-Fucker 3 years ago


  • Gnomed Mother-Fucker 3 years ago

    Are you writing on the camrta?

  • Learn CBSE 3 years ago

    Hi Nancy really impressed with yur presentations pls guide me how your write inverted I mean you write and its looks right ok for the viewer HOW?

  • Learn CBSE 3 years ago

    And second how you mange to fast forward your subtlewritings?

  • Roderick Galabo 3 years ago

    what application did you use? writing on glass?

  • sharon mburu 3 years ago

    shes seems stressed

  • Jasmine U 3 years ago

    do u have any idea how much u r doing for me rn u beautiful queen

  • Storm Born 3 years ago

    Was she being held hostage when making this video?

  • Sivatharmeni Sivatharmeni 3 years ago

    Thank you.

  • ankit taneja 3 years ago

    You are beautiful….

  • SociaJL 3 years ago

    Great video!

  • Deresse Sintie 3 years ago

    Nancy love

  • krishna asopa 3 years ago

    you look little bit confuse

  • Kathryn Lawrence 3 years ago

    ok so what if I have to square 448? then I end up with square root 8 and then square root 8 again and square root of 7 and I end up with a bunch of square root 2’s and 4’s and now I am confused…

  • denis gaming 3 years ago

    why she write a . for times

  • Yana Joshi 3 years ago

    This was the most helpful video I have found on this topic and I have been looking for a long time, and I did not understand a thing thank you so much

  • Addisu Gizchew 3 years ago

    I like maths b/c of u

  • g- 3 years ago

    i hate geometry

  • Ambrose Cornelius 3 years ago

    She does more talking than work

  • Mehri Abaza 3 years ago

    Thank you so much for your video. Finally I’m starting to understand the concept. Thank you for breaking it down and taking the tome to explain each step slowly and clearly.

    • marysiana isaya 3 years ago

      Yeeeeeeees its good

  • 2luisam 3 years ago

    Monstrous effort, thank you Nancy!

  • ertas zorlu 3 years ago

    Very nice video tutorials NancyPi… you are excellent…

  • ertas zorlu 3 years ago

    I like you and your videos darling…

  • Kevin Mccarthy 3 years ago

    Love your show. Very strait forward.

  • Profeta do séc XXI 3 years ago

    I give you my like and my heart

  • Tn Tease 3 years ago

    how come when you added 4 sqrt 3 + 5 sqrt 3 it was 9 sqrt 3 instead of 9 sqrt 6? i thought if you added to squares together then normal rules of addition apply?

  • marysiana isaya 3 years ago

    Thanks Nancy I have understood your lesson 100%

  • Joseph Malone 3 years ago

    when doing radicals how do I get a byproduct and what do I do with it?

  • Joseph Malone 3 years ago

    how do I find the square root of 17 and get 4+1/8+1/8+1/8+1/8… ?

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