6x^2+3x/9x^3

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Solution for 6x^2+3x/9x^3 equation: 


x in (-oo:+oo)

((3*x)/9)*x^3+6*x^2 = 0

1/3*x^4+6*x^2 = 0

t_1 = x^2

1/3*t_1^2+6*t_1^1 = 0

1/3*t_1^2+6*t_1 = 0

DELTA = 6^2-(0*1/3*4)

DELTA = 36

DELTA > 0

t_1 = (36^(1/2)-6)/(1/3*2) or t_1 = (-36^(1/2)-6)/(1/3*2)

t_1 = 0 or t_1 = -18

t_1 = -18

x^2+18 = 0

1*x^2 = -18 // : 1

x^2 = -18

t_1 = 0

x^2+0 = 0

x^2 = 0

1*x^2 = 0 // : 1

x^2 = 0

x = 0

x = 0

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