− 2 v 3 u 3 + 5 v 2 u 3 − 4 v u 3 + u 3 + 4 v 3 u 2 − 13 v 2 u 2 + 11 v u 2 − 3 u 2 − 3 v 3 u + 11 v 2 u − 13 v u + 4 u + v 3 − 4 v 2 + 5 v − 2 {\displaystyle -2v^{3}u^{3}+5v^{2}u^{3}-4vu^{3}+u^{3}+4v^{3}u^{2}-13v^{2}u^{2}+11vu^{2}-3u^{2}-3v^{3}u+11v^{2}u-13vu+4u+v^{3}-4v^{2}+5v-2}