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

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


x in (-oo:+oo)

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

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

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

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

DELTA = 6

DELTA > 0

x = (6^(1/2)+2)/(1*2) or x = (2-6^(1/2))/(1*2)

x = (6^(1/2)+2)/2 or x = (2-6^(1/2))/2

x in { (2-6^(1/2))/2, (6^(1/2)+2)/2 }

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