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

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


x in (-oo:+oo)

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

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

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

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

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

DELTA = 0

x = -2/(2*2)

x = -1/2 or x = -1/2

x in { -1/2, -1/2 }

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