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22 April, 09:57

A square has an area of x^2+4x+4 square meters. Write an expression that best represents the length of one side of the square.

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  1. 22 April, 10:15
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    You have to find the square root of x^2+4x+4, which is:

    1) Rewrite x^2+4x+4 as the square of a binomial:

    (x+2) ^2

    2) So now you know that (x+2) (x+2) = x^2+4x+4 (the area)

    3) The length is x+2
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