Data:L9a29/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^7 \left(-z^5\right)-4 a^7 z^3-4 a^7 z-a^7 z^{-1} +a^5 z^7+6 a^5 z^5+12 a^5 z^3+10 a^5 z+3 a^5 z^{-1} -a^3 z^5-5 a^3 z^3-7 a^3 z-2 a^3 z^{-1} }