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January 28, 2015

January 28, 2015

Posted by **Anonymous** on Sunday, January 23, 2011 at 9:10am.

- geometry -
**Damon**, Sunday, January 23, 2011 at 9:56am7 = x^2 + 4 x -5

x^2 + 4 x - 12 = 0

(x+6)(x-2) = 0

x = 2 (negative 6 not useful)

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