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December 20, 2014

December 20, 2014

Posted by **Anonymous** on Monday, June 6, 2011 at 12:13pm.

- math -
**Mgraph**, Monday, June 6, 2011 at 1:02pmx^2+2xy+y^2+x+y-2=(x+y+2)(x+y-1)

y=-x-2

y=-x+1

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