Posted by LP on Wednesday, December 19, 2012 at 7:40pm.
(x+2)(x-2) = 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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