(-3/2)x^(2)-12x-15

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Solution for (-3/2)x^(2)-12x-15 equation: 


x in (-oo:+oo)

(-3/2)*x^2-(12*x)-15 = 0

(-3/2)*x^2-12*x-15 = 0

-3/2*x^2-12*x-15 = 0

DELTA = (-12)^2-(-15*(-3/2)*4)

DELTA = 54

DELTA > 0

x = (54^(1/2)+12)/(-3/2*2) or x = (12-54^(1/2))/(-3/2*2)

x = (3*6^(1/2)+12)/(-3) or x = (12-3*6^(1/2))/(-3)

x in { (3*6^(1/2)+12)/(-3), (12-3*6^(1/2))/(-3) }

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