− v 2 u 5 − v 3 u 4 + 3 v 2 u 4 − 2 v u 4 + 2 v 3 u 3 − 6 v 2 u 3 + 5 v u 3 − 2 u 3 − 2 v 3 u 2 + 5 v 2 u 2 − 6 v u 2 + 2 u 2 − 2 v 2 u + 3 v u − u − v {\displaystyle -v^{2}u^{5}-v^{3}u^{4}+3v^{2}u^{4}-2vu^{4}+2v^{3}u^{3}-6v^{2}u^{3}+5vu^{3}-2u^{3}-2v^{3}u^{2}+5v^{2}u^{2}-6vu^{2}+2u^{2}-2v^{2}u+3vu-u-v}
