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

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Solution for (1)/(x+4)-(2)/(x-4)=0 equation: 


D( x )

x+4 = 0

x-4 = 0

x+4 = 0

x+4 = 0

x+4 = 0 // - 4

x = -4

x-4 = 0

x-4 = 0

x-4 = 0 // + 4

x = 4

x in (-oo:-4) U (-4:4) U (4:+oo)

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

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

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

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

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

-x-12 = 0

(-x-12)/((x+4)*(x-4)) = 0

(-x-12)/((x+4)*(x-4)) = 0 // * (x+4)*(x-4)

-x-12 = 0

-x-12 = 0 // + 12

-x = 12 // * -1

x = -12

x = -12

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