Factor by grouping

Question

X^3+3X^2-5x-15

I get x^2(x+3)-5(x+3) is this correct????

Answer 1

ok so far, but keep going
= (x+3)(x^2 - 5)

Answer 2

Ok I thought it could go to (X^2-5)(x+3)

Answer 3

well, isn't that the same thing ?

( just like 3x4 = 4x3 )

Answer 4

Yes I guess I am not with it at the moment