Data:L10a1/Multivariable Alexander

Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle -v u^5+u^5+4 v u^4-4 u^4-8 v u^3+8 u^3+8 v u^2-8 u^2-4 v u+4 u+v-1}