15x^2-12x/3

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


x in (-oo:+oo)

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

15*x^2-4*x = 0

15*x^2-4*x = 0

DELTA = (-4)^2-(0*4*15)

DELTA = 16

DELTA > 0

x = (16^(1/2)+4)/(2*15) or x = (4-16^(1/2))/(2*15)

x = 4/15 or x = 0

x in { 0, 4/15 }

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