Math
posted by LP .
If one side of a square is increased by 2 inches and an adjacent side is decreased by 2 inches, the area of the resulting rectangle is 32 square inches. Find the length of one side of the square.

Math 
Reiny
(x+2)(x2) = 32
x^2  4 = 32
x^2 = 36
x = ±6 , but x is a side of a square so it must be positive
x = 6
The original square was 6 by 6
the new square is 4 by 8
and 4(8) = 32, answer is correct
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