(6x)/(x^4+6x^2+9)

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Solution for (6x)/(x^4+6x^2+9) equation: 


D( x )

x^4+6*x^2+9 = 0

x^4+6*x^2+9 = 0

x^4+6*x^2+9 = 0

t_1 = x^2

1*t_1^2+6*t_1^1+9 = 0

t_1^2+6*t_1+9 = 0

DELTA = 6^2-(1*4*9)

DELTA = 0

t_1 = -6/(1*2)

t_1 = -3 or t_1 = -3

t_1 = -3

x^2+3 = 0

1*x^2 = -3 // : 1

x^2 = -3

t_1 = -3

x^2+3 = 0

1*x^2 = -3 // : 1

x^2 = -3

x in (-oo:+oo)

(6*x)/(x^4+6*x^2+9) = 0

6*x = 0 // : 6

x = 0

x = 0

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