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

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


x in (-oo:+oo)

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

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

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

DELTA = 17/4

DELTA > 0

x = ((17/4)^(1/2)+1/2)/(1/2*2) or x = (1/2-(17/4)^(1/2))/(1/2*2)

x = (17/4)^(1/2)+1/2 or x = 1/2-(17/4)^(1/2)

x in { 1/2-(17/4)^(1/2), (17/4)^(1/2)+1/2 }

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