-1/2x^2-1/2x+1=0

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Solution for -1/2x^2-1/2x+1=0 equation: 


x in (-oo:+oo)

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

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

1-1/2*x^2-1/2*x = 0

DELTA = (-1/2)^2-(-1/2*1*4)

DELTA = 9/4

DELTA > 0

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

x = -2 or x = 1

x in { -2, 1 }

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