1/2x^2-3/4x

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Solution for 1/2x^2-3/4x equation: 


x in (-oo:+oo)

(1/2)*x^2-((3/4)*x) = 0

(1/2)*x^2+(-3/4)*x = 0

1/2*x^2-3/4*x = 0

DELTA = (-3/4)^2-(0*1/2*4)

DELTA = 9/16

DELTA > 0

x = ((9/16)^(1/2)+3/4)/(1/2*2) or x = (3/4-(9/16)^(1/2))/(1/2*2)

x = 3/2 or x = 0

x in { 0, 3/2 }

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