Factoring with two variables 6w^4-54w^2

asked Sep 12, 2015 225k views

4 votes

by Peggy

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3 votes

$6w^4-54w^2=6w^2(w^2-9)=6w^2(w^2-3^2)=6w^2(w-3)(w+3)\\\\\\\\a^2-b^2=(a-b)(a+b)$

Sheldon Chang answered Sep 19, 2015

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