SOLUTION: Please help factor this trinomial completely and show the steps. 12x^3 - 52x^2 - 40x

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Please help factor this trinomial completely and show the steps. 12x^3 - 52x^2 - 40x      Log On


   

Question 732320: Please help factor this trinomial completely and show the steps.
12x^3 - 52x^2 - 40x
Found 2 solutions by Alan3354, lynnlo:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Please help factor this trinomial completely and show the steps.
12x^3 - 52x^2 - 40x
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Hint: All the coefficients are even numbers.
The steps are factoring out 2's, then finding a pair of binomials that work.

Answer by lynnlo(4176) About Me  (Show Source):
You can put this solution on YOUR website!
12x^3-52x^2-40x
=4x(3x+2)(x-5)
factor out your gcf of 4x
12x^3-52x^2-40x=4x(3x^2-13x-10)
now factor out
3x^2-13x-10