1/2x^2-8x-18=0

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Solution for 1/2x^2-8x-18=0 equation: 


x in (-oo:+oo)

(1/2)*x^2-(8*x)-18 = 0

(1/2)*x^2-8*x-18 = 0

1/2*x^2-8*x-18 = 0

DELTA = (-8)^2-(-18*1/2*4)

DELTA = 100

DELTA > 0

x = (100^(1/2)+8)/(1/2*2) or x = (8-100^(1/2))/(1/2*2)

x = 18 or x = -2

x in { -2, 18 }

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