Asked by Katie A

Factor by grouping
X^3+3X^2-5x-15

I get x^2(x+3)-5(x+3) is this correct????
Answered by Reiny
ok so far, but keep going
= (x+3)(x^2 - 5)
Answered by Katie A
Ok I thought it could go to (X^2-5)(x+3)
Answered by Reiny
well, isn't that the same thing ?

( just like 3x4 = 4x3 )
Answered by Katie A
Yes I guess I am not with it at the moment
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