3y^3+20y^2=7y Solve the polynomial by factoring. The answer is y(3y-1)(y+7) I can't seem to figure out how they got the answer. I need an explanation before my test tomorrow.

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asked Mar 27, 2023 151k views

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3y^3+20y^2=7y

Solve the polynomial by factoring. The answer is y(3y-1)(y+7)
I can't seem to figure out how they got the answer. I need an explanation before my test tomorrow.

Mathematics
college

Chrickso asked

by Chrickso

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Answer:

Hello,

Explanation:

$3y^3+20y^2-7y=y(3y^2+20y-7)\\\\=y(3y^2+21y-y-7)\\\\=y(3y(y+7)-(y+7))\\\\=y(y+7)(3y-1)\\$

Nikhil Katre answered Apr 2, 2023

by Nikhil Katre

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