Math

-1x2 + 1x + 2 = 0

Asked by AnneS2 12 years ago 3/17/2013 7:31 AM

Last updated by anonymous 12 years ago 3/18/2013 11:16 AM

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Answered by CherieS 12 years ago 3/18/2013 11:16 AM

-x^2+1 x+2 = 0

-(x-2) (x+1) = 0 9/4-(x-1/2)^2 = 0

x=-1

x=2