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December 20, 2014

December 20, 2014

Posted by **Laura** on Wednesday, April 25, 2007 at 11:32am.

Solve this equation:

(1/2)(base)(height) = (x+1)x = 12

x^2 + x -12 = 0

That equation is factorable. Take the positive root. (One of them will be negative0

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