− 2 v 3 u 3 + 5 v 2 u 3 − 4 v u 3 + u 3 + 5 v 3 u 2 − 12 v 2 u 2 + 12 v u 2 − 4 u 2 − 4 v 3 u + 12 v 2 u − 12 v u + 5 u + v 3 − 4 v 2 + 5 v − 2 {\displaystyle -2v^{3}u^{3}+5v^{2}u^{3}-4vu^{3}+u^{3}+5v^{3}u^{2}-12v^{2}u^{2}+12vu^{2}-4u^{2}-4v^{3}u+12v^{2}u-12vu+5u+v^{3}-4v^{2}+5v-2}