1/12x^2-1/4x-15=0

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Solution for 1/12x^2-1/4x-15=0 equation: 


x in (-oo:+oo)

(1/12)*x^2-((1/4)*x)-15 = 0

(1/12)*x^2+(-1/4)*x-15 = 0

1/12*x^2-1/4*x-15 = 0

DELTA = (-1/4)^2-(-15*1/12*4)

DELTA = 81/16

DELTA > 0

x = ((81/16)^(1/2)+1/4)/(1/12*2) or x = (1/4-(81/16)^(1/2))/(1/12*2)

x = 15 or x = -12

x in { -12, 15 }

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