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