3-x/x^2-9=-3

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Solution for 3-x/x^2-9=-3 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/(x^2))-9 = -3 // + 3

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

3-x^-1-9+3 = 0

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

x^-1 = -3

-1 < 0

1/(x^1) = -3 // * x^1

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

-1/3 = x^1

x = -1/3

x = -1/3

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