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January 28, 2015

January 28, 2015

Posted by **Tim** on Tuesday, September 10, 2013 at 8:33pm.

- algebra -
**bobpursley**, Tuesday, September 10, 2013 at 8:37pmlet x be the side of the smaller square, area is x^2

then x+3 must be the side of the larger square.

(x+3)^2 -x^2=39

solve for x, and x+3

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