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

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Solution for (1/(x+2))-(1/x) equation: 


D( x )

x+2 = 0

x = 0

x+2 = 0

x+2 = 0

x+2 = 0 // - 2

x = -2

x = 0

x = 0

x in (-oo:-2) U (-2:0) U (0:+oo)

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

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

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

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

1*x-1*(x+2) = 0

-2 = 0

-2/(x*(x+2)) = 0

-2/(x*(x+2)) = 0 // * x*(x+2)

-2 = 0

x belongs to the empty set

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