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22 March, 02:49

How to factor

9y^4-12y^3-12y^2

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  1. 22 March, 06:02
    0
    First factor out the largest common factor of all terms and you have:

    3y^2 (3y^2-4y-4) now factor quadratic in parentheses ...

    3y^2 (3y^2-6y+2y-4)

    3y^2 (3y (y-2) + 2 (y-4))

    (3y^2) (3y+2) (y-4)
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