Asked by Courtney
Factor x^3+2x^2-36x-72
Answers
Answered by
Reiny
x^3+2x^2-36x-72
use "grouping"
x^2(x+2) - 36(x+2)
= (x+2)(x^2 - 36)
= (x+2)(x+6)(x-6)
use "grouping"
x^2(x+2) - 36(x+2)
= (x+2)(x^2 - 36)
= (x+2)(x+6)(x-6)
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