SOLUTION: (x+2) to the 3 power. I'm only getting half of this right....I am spreading it out, three times, and cross multipling but it's not working. Thanks for your help Wasn't sure

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: (x+2) to the 3 power. I'm only getting half of this right....I am spreading it out, three times, and cross multipling but it's not working. Thanks for your help Wasn't sure       Log On


   

Question 75496This question is from textbook Elementary algebra
: (x+2) to the 3 power.
I'm only getting half of this right....I am spreading it out, three times, and cross multipling but it's not working. Thanks for your help
Wasn't sure how to put the power in. This question is from textbook Elementary algebra

Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
X+2
X+2
----------------
X^2+2X+2X+4
X^2+4X+4
X+2
--------------------
X^3+4X^2+4X+2X^2+8X+8
X^3+6X^2+12X+8 ANSWER.
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YOUR ANSWER & MY ANSWER IS THE SAME.
YOU NEED TO MULTIPLY EVERY TERM FROM THE FIRST MULTIPLICATION BY (X+2)