Data:L10a70/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 -a^3 z^5-2 a^3 z^3+z^3 a^{-3} -2 a^3 z- a^{-3} z^{-1} +a z^7+4 a z^5-2 z^5 a^{-1} +7 a z^3-4 z^3 a^{-1} +4 a z-z a^{-1} + a^{-1} z^{-1} }