3/x-1+2/x+1=x/x^2-1

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Solution for 3/x-1+2/x+1=x/x^2-1 equation: 


D( x )

x = 0

x^2 = 0

x = 0

x = 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+2/x-1+1 = x/(x^2)-1 // - x/(x^2)-1

3/x+2/x-(x/(x^2))-1+1+1 = 0

3/x+2/x-x^-1-1+1+1 = 0

4*x^-1 = -1 // : 4

x^-1 = -1/4

-1 < 0

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

1 = -1/4*x^1 // : -1/4

-4 = x^1

x = -4

x = -4

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