− v 3 u 5 + 2 v 2 u 5 − v u 5 + 3 v 3 u 4 − 7 v 2 u 4 + 4 v u 4 − 3 v 3 u 3 + 12 v 2 u 3 − 10 v u 3 + u 3 + v 3 u 2 − 10 v 2 u 2 + 12 v u 2 − 3 u 2 + 4 v 2 u − 7 v u + 3 u − v 2 + 2 v − 1 {\displaystyle -v^{3}u^{5}+2v^{2}u^{5}-vu^{5}+3v^{3}u^{4}-7v^{2}u^{4}+4vu^{4}-3v^{3}u^{3}+12v^{2}u^{3}-10vu^{3}+u^{3}+v^{3}u^{2}-10v^{2}u^{2}+12vu^{2}-3u^{2}+4v^{2}u-7vu+3u-v^{2}+2v-1}
