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July 28, 2014

July 28, 2014

Posted by **Casey** on Thursday, December 6, 2012 at 10:11pm.

- Math -
**Steve**, Thursday, December 6, 2012 at 10:41pm(6+x)(5+x) = 3*(6*5)

x^2 + 11x + 30 = 90

x^2 + 11x - 60 = 0

(x+15)(x-4) = 0

x = 4 -- we like positive dimensions

check: (6+4)(5+4) = 90 = 3*30

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