1/2x^2-x

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


x in (-oo:+oo)

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

1/2*x^2-x = 0

DELTA = (-1)^2-(0*1/2*4)

DELTA = 1

DELTA > 0

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

x = 2 or x = 0

x in { 0, 2 }

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