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March 1, 2015

March 1, 2015

Posted by **Derek** on Sunday, September 7, 2008 at 5:23pm.

x²-4x=32

- math -
**Damon**, Sunday, September 7, 2008 at 5:29pmx^2 - 4 x +(4/2)^2 = 32 +(4/2)^2

x^2 - 4x + 4 = 32 + 4

(x-2)^2 = 36

x - 2 = +6

x - 2 = -6

x = 8 or -4

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