b^2=-3b-9/4

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Solution for b^2=-3b-9/4 equation: 


b in (-oo:+oo)

b^2 = -3*b-(9/4) // + -3*b-(9/4)

b^2-(-3*b)+9/4 = 0

b^2+3*b+9/4 = 0

b^2+3*b+9/4 = 0

DELTA = 3^2-(1*9/4*4)

DELTA = 0

b = -3/(1*2)

b = -3/2 or b = -3/2

b in { -3/2, -3/2 }

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