3/x-4-1/x+5

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Solution for 3/x-4-1/x+5 equation: 


D( x )

x = 0

x = 0

x = 0

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

3/x-(1/x)-4+5 = 0

3/x-x^-1-4+5 = 0

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

x^-1 = -1/2

-1 < 0

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

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

-2 = x^1

x = -2

x = -2

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