2 9*x - 49 --------------- 2 2*x + 15*x - 8
(-49.0 + 9.0*x^2)/(-8.0 + 2.0*x^2 + 15.0*x)
2
-49 + 9*x
-----------------
-8 + x*(15 + 2*x)(-7 + 3*x)*(7 + 3*x) -------------------- (-1 + 2*x)*(8 + x)
9 26 + 135*x
- - -----------------
2 2
-16 + 4*x + 30*x