How do you solve polynomial equation by factoring 2x^3 - 12x^2 = 32x - 192

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asked Jan 3, 2015 9.8k views

3 votes

How do you solve polynomial equation by factoring
2x^3 - 12x^2 = 32x - 192

Mathematics
high-school

Quarkonia asked

by Quarkonia

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1 Answer

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$2x^3 - 12x^2 = 32x - 192\\ 2x^3-12x^2-32x+192=0\\ 2(x^3-6x^2-16x+96)=0\\ 2(x^2(x-6)-16(x-6))=0\\ 2(x^2-16)(x-6)=0\\ 2(x-4)(x+4)(x-6)=0\\ x=4 \vee x=-4 \vee x=6$

Cinsere answered Jan 7, 2015

by Cinsere

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