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April 18, 2015

April 18, 2015

Posted by **lisa** on Saturday, December 17, 2011 at 11:21pm.

- algebra -
**Reiny**, Saturday, December 17, 2011 at 11:32pmahh, you fixed it, but surely you should have been able to do this easy question.

length -- x

width -- x-3

x(x-3) = 4

x^2 - 3x - 4 = 0

(x-4)(x+1) = 0

x = 4, or x = -1, the last part is a silly answer

length = 4

width = 1

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