SOLUTION: factor the polynomials by grouping. 9m^3+18m^2-4m-8

Question 175733: factor the polynomials by grouping.
9m^3+18m^2-4m-8

Found 2 solutions by stanbon, Mathtut:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!

factor the polynomials by grouping.
9m^3+18m^2-4m-8
----------------------
9m^2(m+2) - 4(m+2)
= (m+2)(9m^2-4)
= (m+2)((3m-2)(3m+2)
======================
Cheers,
Stan H.
Answer by Mathtut(3670) (Show Source): You can put this solution on YOUR website!
given
:
factored out gcf from 1st two terms
:
factored out a -2 from last two terms
:
factored out (m+2) term
:

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