SOLUTION: I need to factor the polynomial completely. 3x^3+12x^2-2x-8 Thanks

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Question 297664: I need to factor the polynomial completely.
3x^3+12x^2-2x-8
Thanks
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!

3x^3+12x^2-2x-8
factor by groups
3x^2*(x+4)-2*(x+4)
(3x^2-2)*(x+4)