3x-12/3x^2-12x

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Solution for 3x-12/3x^2-12x equation: 


x in (-oo:+oo)

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

3*x-4*x^2-12*x = 0

-4*x^2-9*x = 0

DELTA = (-9)^2-(-4*0*4)

DELTA = 81

DELTA > 0

x = (81^(1/2)+9)/(-4*2) or x = (9-81^(1/2))/(-4*2)

x = -9/4 or x = 0

x in { -9/4, 0 }

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