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September 19, 2014

September 19, 2014

Posted by **Michael** on Thursday, November 1, 2012 at 11:09pm.

- math -
**Steve**, Friday, November 2, 2012 at 1:40amarea = length*width

(x+3)(x-2) = 84

x^2 + x - 6 = 84

x^2 + x - 90 = 0

(x+10)(x-9) = 0

x=9, so

length=12

width=7

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