Factor the polynomial completely. 12x4 – 42x3 – 90x2 What is the GCF of the polynomial?

asked Jun 17, 2019 213k views

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Find the greatest common divisor:

gcd(-258) The largest positive divisor of a number is the absolute value of itself:

Answer: gcd(-258) = -258

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GCF = 6x^2

12x^4 - 42x^3 - 90x^2 =

= 6x^2(2x^2 - 7x - 15)

= 6x^2(2x + 3)(x - 5)

Bil Simser answered Jun 20, 2019

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