1/2x^2-7/4x-11/2

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Solution for 1/2x^2-7/4x-11/2 equation: 


x in (-oo:+oo)

(1/2)*x^2-((7/4)*x)-(11/2) = 0

(1/2)*x^2+(-7/4)*x-11/2 = 0

1/2*x^2-7/4*x-11/2 = 0

DELTA = (-7/4)^2-(-11/2*1/2*4)

DELTA = 225/16

DELTA > 0

x = ((225/16)^(1/2)+7/4)/(1/2*2) or x = (7/4-(225/16)^(1/2))/(1/2*2)

x = 11/2 or x = -2

x in { -2, 11/2 }

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