x^2/2-11*x=11

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Solution for x^2/2-11*x=11 equation: 


x in (-oo:+oo)

(x^2)/2-(11*x) = 11 // - 11

(x^2)/2-(11*x)-11 = 0

(x^2)/2-11*x-11 = 0

1/2*x^2-11*x-11 = 0

DELTA = (-11)^2-(-11*1/2*4)

DELTA = 143

DELTA > 0

x = (143^(1/2)+11)/(1/2*2) or x = (11-143^(1/2))/(1/2*2)

x = 143^(1/2)+11 or x = 11-143^(1/2)

x in { 11-143^(1/2), 143^(1/2)+11 }

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