1/2x^2-2x-6

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Solution for 1/2x^2-2x-6 equation: 


x in (-oo:+oo)

(1/2)*x^2-(2*x)-6 = 0

(1/2)*x^2-2*x-6 = 0

1/2*x^2-2*x-6 = 0

DELTA = (-2)^2-(-6*1/2*4)

DELTA = 16

DELTA > 0

x = (16^(1/2)+2)/(1/2*2) or x = (2-16^(1/2))/(1/2*2)

x = 6 or x = -2

x in { -2, 6 }

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