1/2x^2+x-4=0

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Solution for 1/2x^2+x-4=0 equation: 


x in (-oo:+oo)

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

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

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

DELTA = 9

DELTA > 0

x = (9^(1/2)-1)/(1/2*2) or x = (-9^(1/2)-1)/(1/2*2)

x = 2 or x = -4

x in { -4, 2 }

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