SOLUTION: How do you factor the trinomial: 3(x+2)^2+12(x+2)-15 Thank you!

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Question 698682: How do you factor the trinomial: 3(x+2)^2+12(x+2)-15
Thank you!
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
3(x+2)^2+12(x+2)-15
=3(x^2+4x+4)+12x+24-15
=3x^2+12x+12+12x+9
=3x^2+24x+21
=3(x^2+8x+7)
=3(x+1)(x+7)
.
Ed