2 3*x - 10*x + 3 --------------- 2 x - 4*x + 3
(3.0 + 3.0*x^2 - 10.0*x)/(3.0 + x^2 - 4.0*x)
3 + x*(-10 + 3*x) ----------------- 3 + x*(-4 + x)
-1 + 3*x -------- -1 + x
2 3 + ------ -1 + x