PLEASE HELP !!!!!! Factorize: x 4 + 4x 3 – x 2 -16x – 12.

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PLEASE HELP !!!!!!

Factorize: x⁴ + 4x³ – x² -16x – 12.

Guest May 26, 2016

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x⁴ + 4x³ – x² -16x – 12 → (x+1)(x+2)(x+3)(x-2)

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Alan May 26, 2016

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