2 25 10*x x + -- - 5 - ---- - 5 x x
2 25 -20 + x + -- x
-20.0 + x^2 + 25.0/x
3 25 + x - 20*x -------------- x
2 25 10*x -10 + x + -- - ---- x x
/ 2 \ (5 + x)*\5 + x - 5*x/ ---------------------- x