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Multiply polynomial $ \, \color{blue}{ s^3+9s^2+26s+24 } \, $ by $ \, \color{orangered}{ 20s^4+380s^3+2480s^2+6480s+5760 }$.
Answer
$$ \left( \color{blue}{s^3+9s^2+26s+24} \right) \cdot \left( \color{orangered}{20s^4+380s^3+2480s^2+6480s+5760} \right) = 20s^7+560s^6+6420s^5+39160s^4+137680s^3+279840s^2+305280s+138240 $$
Explanation
Explanation is too long to display.