Gr 9 Factorisation: Difference of Squares Introduction

Gr 9 Factorisation: Difference of Squares Introduction
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Literally the only reason I'm passing my exam.

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Kevin your absolutely incredible!! I have been struggling with factorisation this whole year and now I finally understand it. You really are a life saver to us all!!

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5:20 He got me there😭🚶🏻‍♀️

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[@Butterfly-qq3jp]

Im confused about one thing When to use the common factors method, when to use the difference of two squares method, grouping and identies

[@urfav_pewpew]

If there is nothing common you use the grouping method

[@EshaanSingh09_NT]

Kevin caught me lacking at 5:26😭🤚

[@mrgrim8810]

How would I factories 9x² - 25y²?

[@cooloneco3611]

I think it would b (3x-5y)(3x-5y)

[@sandisiwekhupe4321]

@@cooloneco3611 i think one of them has to be positive

[@imnotfunny8877]

@@sandisiwekhupe4321 i think so too

[@urfav_pewpew]

@@cooloneco3611 one of them needs to be postive

[@siuuuuuu-jk7gc]

(3x²-5)(3x²+5) you did it right just you had to replace one of the "-" with a +

[@keananjanuary991]

So if there is a plus will between the two terms will the question stay the same ?

[@_tj_ig]

Yes

[@G5.LUFFY1]

How would you do 200x - 2x³y?

[@Aceptre282]

It's simple I'll give you the answer straight away it doesn't seem relative to squares so I'll use the previous one.Answer:2x(100 - x²y)

[@officialyfarhan]

bro caught me at 5:20

[@_tj_ig]

A year later but still helpful ❤