Combining square roots 4sqrt(3)+3sqrt(20)-5sqrt(45) Reddit r/homeworkhelp

A quick math tutorial on combining square root numbers. We will simplify each square root number and combine the like square roots. This question is from Reddit r/HomeworkHelp / ufe2fagsjm
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#math #algebra #mathbasics

[@highfall8145]

this guy is singlehandedly saving middle school and high school students (and college from blackpenredpen)

[@nathanrobinson1099]

He’s even saving the parents when the kids don’t get it I’m sure lol

[@highfall8145]

@@nathanrobinson1099 true LMAO

[@cyrusyeung8096]

Bprp: teaching high school square root problem
His shirt: Gaussian Integral
A large difference in terms of difficulty, yet related by a square root symbol.

[@TheZeevil]

Funny how BPRP managed to simplify the radical expression more than the online calculator did

[@alihms]

My handheld Casio fx-CG50 returns the results as -9*sqrt(5)+4*sqrt(3)

[@TheZeevil]

​@alihms Seems like your handheld calculator is better at simplifying than this online calculator
Just goes to show how it's better to do things by hand then by an online calculator since they can be wrong or use improper formatting or fail to simplify properly

[@mjcat5000]

you have the #1 videos for learning math, especially my favorite are the Calculus problems. Thank you so much!❤😊

[@z000ey]

Very nicely explained, sir! This, however, should be taught earlier than high school, in 7th or 8th grade...

[@user-iy6dt4xp5o]

It is taught in 8th grade over here

[@jamegumb7298]

No 3×15 becasue that is harder or genuinely impossible?
Curious.

[@theosmit6366]

That factoring (a) doesn't get you anywhere and (b) 15 still factors to 3*5, so you end up with sqrt(3)*sqrt(3)*sqrt(5), which (obviously) becomes 3*sqrt(5)

[@drew3030]

Simplify the radicand as much as possible. 9*5 is better than 3*15 because the radicand portion 5

[@Orillians]

Simple

[@flipperpluto_BG]

I got 0 in maths please help me i try everything yes everything but nothing i would like to be has you bprp please give me advice i'm very serious please answer me 🙏🏾🙏🏾🙏🏾

[@nathancc2526]

Big fan can I pls get a heart

[@afre3398]

What is your math behind this??

[@xinpingdonohoe3978]

Unlikely. You should deserve it. This does not deserve it.