SOLUTION: Can you help me factor by grouping the following? x^3 + 3x^2 + 4x +12 I think the answer is: x (x^2 + 3x +4) + 12. Am I on the right track? Thank you for your assistance.

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Can you help me factor by grouping the following? x^3 + 3x^2 + 4x +12 I think the answer is: x (x^2 + 3x +4) + 12. Am I on the right track? Thank you for your assistance.      Log On


   

Question 73355: Can you help me factor by grouping the following?
x^3 + 3x^2 + 4x +12
I think the answer is: x (x^2 + 3x +4) + 12. Am I on the right track?
Thank you for your assistance.
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
x^3 + 3x^2 + 4x +12
I think the answer is: x (x^2 + 3x +4) + 12. Am I on the right track?
:
I think they want you to group and factor like this:
x^2(x+3) + 4(x+3)
:
Factor out the (x+3) and you have:
(x+3)(x^2 + 4)