/ 3*(2*x - 1)\ 2*|-4 + -----------| \ x - 1 / -------------------- 3 (x - 1)
(2*(-4 + (3*(2*x - 1))/(x - 1)))/(x - 1)^3
4/(-1 + x)^3 + 6/(-1 + x)^4
4 6 --------- + --------- 3 4 (-1 + x) (-1 + x)
(-8.0 + 2.0*(-3.0 + 6.0*x)/(-1.0 + x))/(-1.0 + x)^3
(-8.0 + 2.0*(-3.0 + 6.0*x)/(-1.0 + x))/(-1.0 + x)^3
2*(-3 + 6*x) -8 + ------------ -1 + x ----------------- 3 (-1 + x)
(-8 + 2*(-3 + 6*x)/(-1 + x))/(-1 + x)^3
2*(-3 + 6*x) -8 + ------------ -1 + x ----------------- 3 (-1 + x)
(-8 + 2*(-3 + 6*x)/(-1 + x))/(-1 + x)^3
2 + 4*x -------------------------- 4 3 2 1 + x - 4*x - 4*x + 6*x
(2 + 4*x)/(1 + x^4 - 4*x - 4*x^3 + 6*x^2)
2*(-3 + 6*x) -8 + ------------ -1 + x ----------------- 3 (-1 + x)
-6 + 12*x -8 + --------- -1 + x -------------- 3 (-1 + x)
(-8 + (-6 + 12*x)/(-1 + x))/(-1 + x)^3