SOLUTION: I have been trying to figure the answer to {{{ x^3 + x^2 + 15x + 9 }}} and I'm supposed to get {{{ (x+1)(x+3)^2 }}} but I have no idea how. Help?

SOLUTION: I have been trying to figure the answer to {{{ x^3 + x^2 + 15x + 9 }}} and I'm supposed to get {{{ (x+1)(x+3)^2 }}} but I have no idea how. Help?

Algebra.Com

Question 414452: I have been trying to figure the answer to and I'm supposed to get but I have no idea how. Help?
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
You must have something entered wrong.
This don't work out the same.
I get
x^3+7x^2+15x+9
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