(1/2)x^2-10x-4=0

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Solution for (1/2)x^2-10x-4=0 equation: 


x in (-oo:+oo)

(1/2)*x^2-(10*x)-4 = 0

(1/2)*x^2-10*x-4 = 0

1/2*x^2-10*x-4 = 0

DELTA = (-10)^2-(-4*1/2*4)

DELTA = 108

DELTA > 0

x = (108^(1/2)+10)/(1/2*2) or x = (10-108^(1/2))/(1/2*2)

x = 6*3^(1/2)+10 or x = 10-6*3^(1/2)

x in { 10-6*3^(1/2), 6*3^(1/2)+10 }

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