1/2x^2-15/4x-27/4=0

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Solution for 1/2x^2-15/4x-27/4=0 equation: 


x in (-oo:+oo)

(1/2)*x^2-((15/4)*x)-(27/4) = 0

(1/2)*x^2+(-15/4)*x-27/4 = 0

1/2*x^2-15/4*x-27/4 = 0

DELTA = (-15/4)^2-(-27/4*1/2*4)

DELTA = 441/16

DELTA > 0

x = ((441/16)^(1/2)+15/4)/(1/2*2) or x = (15/4-(441/16)^(1/2))/(1/2*2)

x = 9 or x = -3/2

x in { -3/2, 9 }

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