SOLUTION: I am having a hard time trying to factor a few binomials. Would you mind helping me out? Ok good. Here is one trinomial that I cann't factor. a^2 -5a -20. Another one is a^2 +12ab+
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Question 425015: I am having a hard time trying to factor a few binomials. Would you mind helping me out? Ok good. Here is one trinomial that I cann't factor. a^2 -5a -20. Another one is a^2 +12ab+27b^2. And the last one is x^2 -8x +15. I think the last one maybe prime, but again I am not sure.
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
a^2 -5a -20
prime
.
a^2 +12ab+27b^2
(a+9b)(a+3b)
.
x^2 -8x +15
(x-3)(x-5)
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