Simplify

f+ g/f-g when f(x)= x-2/x+5. And g(x)= x-5/x+2

Choices,
A. 2x^2 -29/21
B. 21/2x^2 -29
C. - 2x^2 -29 /29
D. - 29/2x^2-29

see your previous post.