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Mathematics 16 Online
OpenStudy (anonymous):

factor x^3-27 should be (x-3)(x^2+3x+9) right?

OpenStudy (anonymous):

yes exactly

OpenStudy (anonymous):

good work!

OpenStudy (anonymous):

woot.

OpenStudy (anonymous):

hey satellite. will you answer another question?

OpenStudy (anonymous):

name it

OpenStudy (anonymous):

factor 25x^12 y^6 z^2 -1

OpenStudy (anonymous):

difference of two squares.

OpenStudy (anonymous):

I should really put it in ()

OpenStudy (anonymous):

I can't see the pattern :|

OpenStudy (anonymous):

i know it is \[25x^{12}y^6z^2-1\] right?

OpenStudy (anonymous):

Yup yup

OpenStudy (anonymous):

you are supposed to see it as \[a^2-b^2\] where \[a=5x^6y^3z\] and \[b=1\]

OpenStudy (anonymous):

lol >.<

OpenStudy (anonymous):

and factor is as \[(a+b)(a-b)\]

OpenStudy (anonymous):

got it right? do i need to write it or are you ok with that?

OpenStudy (anonymous):

well it would be (5x^6y^3z + 1) ( samethign -1)?

OpenStudy (anonymous):

zactly

OpenStudy (anonymous):

thanks sate.

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