2
- x + 25 2*x
--------- + -----
2 x - 5
(x - 5) (25.0 - x^2)/(-5.0 + x)^2 + 2.0*x/(-5.0 + x)
/ 2\ 2
(-5 + x)*\25 - x / + 2*x*(-5 + x)
----------------------------------
3
(-5 + x) 2
25 - x + 2*x*(-5 + x)
----------------------
2
(-5 + x)