1/2x^2+4x+7/2

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Solution for 1/2x^2+4x+7/2 equation: 


x in (-oo:+oo)

(1/2)*x^2+4*x+7/2 = 0

1/2*x^2+4*x+7/2 = 0

DELTA = 4^2-(1/2*7/2*4)

DELTA = 9

DELTA > 0

x = (9^(1/2)-4)/(1/2*2) or x = (-9^(1/2)-4)/(1/2*2)

x = -1 or x = -7

x in { -7, -1 }

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