SOLUTION: I need help factoring this trinomial. Problem:c^2+3cd-28d^2. I know that it will be something like this (c- )(c+ ) I believe it will be prime because I can't find any fact

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: I need help factoring this trinomial. Problem:c^2+3cd-28d^2. I know that it will be something like this (c- )(c+ ) I believe it will be prime because I can't find any fact      Log On


   



Question 243334: I need help factoring this trinomial.
Problem:c^2+3cd-28d^2.
I know that it will be something like this
(c- )(c+ )
I believe it will be prime because I can't find any factors of -28 that add up to the middle term which is 3. I could be missing a step.

Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
c^2+3cd-28d^2
(c+7d)(c-4d) ans.