2/x-1+4/x+1=-4x/x^2-1

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Solution for 2/x-1+4/x+1=-4x/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)

2/x+4/x-1+1 = (-4*x)/(x^2)-1 // - (-4*x)/(x^2)-1

2/x+4/x-((-4*x)/(x^2))-1+1+1 = 0

2/x+4/x+4*x^-1-1+1+1 = 0

10*x^-1 = -1 // : 10

x^-1 = -1/10

-1 < 0

1/(x^1) = -1/10 // * x^1

1 = -1/10*x^1 // : -1/10

-10 = x^1

x = -10

x = -10

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