x^2/2-2x=16

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Solution for x^2/2-2x=16 equation: 


x in (-oo:+oo)

(x^2)/2-(2*x) = 16 // - 16

(x^2)/2-(2*x)-16 = 0

(x^2)/2-2*x-16 = 0

1/2*x^2-2*x-16 = 0

DELTA = (-2)^2-(-16*1/2*4)

DELTA = 36

DELTA > 0

x = (36^(1/2)+2)/(1/2*2) or x = (2-36^(1/2))/(1/2*2)

x = 8 or x = -4

x in { -4, 8 }

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