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December 18, 2014

December 18, 2014

Posted by **LP** on Wednesday, December 19, 2012 at 7:40pm.

- Math -
**Reiny**, Wednesday, December 19, 2012 at 10:02pm(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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