3 t - 8*t - 7 ------------ 2 t - 8
(-7.0 + t^3 - 8.0*t)/(-8.0 + t^2)
/ 2\ -7 + t*\-8 + t / ---------------- 2 -8 + t
7 t - ------- 2 -8 + t
/ 2 \ (1 + t)*\-7 + t - t/ --------------------- 2 -8 + t