Data:9 9/HOMFLYPT Polynomial

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 -z^4 a^{10}-3 z^2 a^{10}-2 a^{10}+z^6 a^8+4 z^4 a^8+4 z^2 a^8+a^8+z^6 a^6+5 z^4 a^6+7 z^2 a^6+2 a^6}