40/x-40/x-2=5/x

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Solution for 40/x-40/x-2=5/x equation: 


D( x )

x = 0

x = 0

x = 0

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

40/x-(40/x)-2 = 5/x // - 5/x

40/x-(40/x)-(5/x)-2 = 0

40/x-40*x^-1-5*x^-1-2 = 0

-5*x^-1 = 2 // : -5

x^-1 = -2/5

-1 < 0

1/(x^1) = -2/5 // * x^1

1 = -2/5*x^1 // : -2/5

-5/2 = x^1

x = -5/2

x = -5/2

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