SOLUTION: Please help w/ the following: Multiply: [{x+2}^3] Thank you.

Question 55452: Please help w/ the following:
Multiply:
[{x+2}^3]
Thank you.
Found 2 solutions by tutorcecilia, funmath:
Answer by tutorcecilia(2152) (Show Source): You can put this solution on YOUR website!
[{x+2}^3]
(x+2)(x+2)(x+2)[Expand]
(x^2+4x+4)(x+2)[FOIL]
(x^3+4x^2+4x+2x^2+8x+8)[Multiply by (x+2)
x^3+6x^2+12x+8 [Combine like-terms]

Answer by funmath(2933) (Show Source): You can put this solution on YOUR website!
Multiply:
[{x+2}^3]

Multiply the first two first:

Combine like terms:
Distribute all the terms in the first parenthesis through all the terms in the second parenthesis:

Combine like terms:

:
Another way to do it is by the formula, the advantage is that it's shorter. The disadvantage is, having to memorize yet another formula:

a=x and b=2

=
Happy Calculating!!!

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