((1/2)-(1/x))/(x-2) x/(2x)-(2/2x)/(x-2) then combine to get (x-2)/2x/(x-2) then i do the reciprocol (x-2)/2x times 1/(x-2) the x-2 can be canceled to get one, and the final answer is 1/2x ?? this is how far i got till i get confused thanks