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