d^2+5/2d+3/2=0

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Solution for d^2+5/2d+3/2=0 equation: 


d in (-oo:+oo)

d^2+(5/2)*d+3/2 = 0

d^2+5/2*d+3/2 = 0

DELTA = (5/2)^2-(1*3/2*4)

DELTA = 1/4

DELTA > 0

d = ((1/4)^(1/2)-5/2)/(1*2) or d = (-(1/4)^(1/2)-5/2)/(1*2)

d = -1 or d = -3/2

d in { -3/2, -1 }

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