− v 3 u 5 + v 2 u 5 + 3 v 3 u 4 − 5 v 2 u 4 + 2 v u 4 − 3 v 3 u 3 + 9 v 2 u 3 − 7 v u 3 + u 3 + v 3 u 2 − 7 v 2 u 2 + 9 v u 2 − 3 u 2 + 2 v 2 u − 5 v u + 3 u + v − 1 {\displaystyle -v^{3}u^{5}+v^{2}u^{5}+3v^{3}u^{4}-5v^{2}u^{4}+2vu^{4}-3v^{3}u^{3}+9v^{2}u^{3}-7vu^{3}+u^{3}+v^{3}u^{2}-7v^{2}u^{2}+9vu^{2}-3u^{2}+2v^{2}u-5vu+3u+v-1}
