2x^2-3x-2 2*-2= -4 (1+-4= -3) 2x^2-4x+1x-2 x-2= 0 2x+1= 0 +2+2 -1-1 (x= 2) 2x= -1 2/2 . -1/2 (x= 2)(x= -1/2)
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