12x/3x+2x

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Solution for 12x/3x+2x equation: 


x in (-oo:+oo)

((12*x)/3)*x+2*x = 0

4*x^2+2*x = 0

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

DELTA = 4

DELTA > 0

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

x = 0 or x = -1/2

x in { -1/2, 0 }

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