evaluate -4x^2+2x+2 by middle term factorisation
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-4x^2+2x+2=0
-4x^2-2x-2x+2=0
-2x(x+1)-2(x+1)
(-2x-2)(x+1)
(x=2/-2=-1)(x=-1)
Value for x are -1 and -1
-4x^2+2x+2=0
-4x^2-2x-2x+2=0
-2x(x+1)-2(x+1)
(-2x-2)(x+1)
(x=2/-2=-1)(x=-1)
Value for x are -1 and -1
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