SOLUTION: if the area of a square is a^2+4a+4, what is the length of one side

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Question 238754: if the area of a square is a^2+4a+4, what is the length of one side
Answer by unlockmath(1688) About Me  (Show Source):
You can put this solution on YOUR website!
Hello,
First off, of course we know the area of a square is side times side, right?
Let's find the factors of a^2+4a+4.
This turns out to be:
(a+2)(a+2) When you multiply these two factors it gives you the original expression of a^2 +4a + 4
Therefore the length of one side is a+2
RJ Toftness
www.math-unlock.com