3a^2-6a/12-6a

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Solution for 3a^2-6a/12-6a equation: 


a in (-oo:+oo)

3*a^2-((6*a)/12)-(6*a) = 0

3*a^2+(-1/2)*a-6*a = 0

3*a^2-13/2*a = 0

DELTA = (-13/2)^2-(0*3*4)

DELTA = 169/4

DELTA > 0

a = ((169/4)^(1/2)+13/2)/(2*3) or a = (13/2-(169/4)^(1/2))/(2*3)

a = 13/6 or a = 0

a in { 0, 13/6 }

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