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Multiply polynomial $ \, \color{blue}{ 20s^4+380s^3+2480s^2+6480s+5760 } \, $ by $ \, \color{orangered}{ s^5+32s^4+363s^3+2092s^2+5052s+4320 }$.
Answer
$$ \left( \color{blue}{20s^4+380s^3+2480s^2+6480s+5760} \right) \cdot \left( \color{orangered}{s^5+32s^4+363s^3+2092s^2+5052s+4320} \right) = 20s^9+1020s^8+21900s^7+265620s^6+2009360s^5+9730880s^4+29817600s^3+55500480s^2+57093120s+24883200 $$
Explanation
Explanation is too long to display.