− v u 5 − 4 v 2 u 4 + 5 v u 4 − u 4 − 2 v 3 u 3 + 9 v 2 u 3 − 10 v u 3 + 2 u 3 + 2 v 3 u 2 − 10 v 2 u 2 + 9 v u 2 − 2 u 2 − v 3 u + 5 v 2 u − 4 v u − v 2 {\displaystyle -vu^{5}-4v^{2}u^{4}+5vu^{4}-u^{4}-2v^{3}u^{3}+9v^{2}u^{3}-10vu^{3}+2u^{3}+2v^{3}u^{2}-10v^{2}u^{2}+9vu^{2}-2u^{2}-v^{3}u+5v^{2}u-4vu-v^{2}}
