2 x + 14*x + 49 -------------- 2 x + 8*x + 7
(49.0 + x^2 + 14.0*x)/(7.0 + x^2 + 8.0*x)
49 + x*(14 + x) --------------- 7 + x*(8 + x)
7 + x ----- 1 + x
6 1 + ----- 1 + x