x^3+5x^2-4x-20 plzzzz helllp meee

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x^3+5x^2-4x-20

Guest Sep 29, 2015

edited by Guest Sep 29, 2015
edited by Guest Sep 29, 2015

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Best Answer

I'm assuming that you want to factor this:

x³ + 5x² - 4x - 20 = x²(x + 5) - 4(x + 5) = (x + 5)(x² - 4) = (x + 5)(x + 2)(x - 2)

geno3141 Sep 30, 2015

geno3141 · Answer 1 · 2015-09-30T12:23:16

I'm assuming that you want to factor this:

x³ + 5x² - 4x - 20 = x²(x + 5) - 4(x + 5) = (x + 5)(x² - 4) = (x + 5)(x + 2)(x - 2)

​x^3+5x^2-4x-20 plzzzz helllp meee