Data:9 1/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^6 a^{10}-6 z^4 a^{10}-10 z^2 a^{10}-4 a^{10}+z^8 a^8+8 z^6 a^8+21 z^4 a^8+20 z^2 a^8+5 a^8}