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

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


D( x )

x^2 = 0

x^2 = 0

x^2 = 0

1*x^2 = 0 // : 1

x^2 = 0

x = 0

x in (-oo:0) U (0:+oo)

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

3*x^3 = -9 // : 3

x^3 = -3

x^3 = -3 // ^ 1/3

x = -3^(1/3)

x = -3^(1/3)

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