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Multiply polynomial $ \, \color{blue}{ 20s^3+220s^2+720s+720 } \, $ by $ \, \color{orangered}{ s^4+7s^3+22s^2+30s }$.
Answer
$$ \left( \color{blue}{20s^3+220s^2+720s+720} \right) \cdot \left( \color{orangered}{s^4+7s^3+22s^2+30s} \right) = 20s^7+360s^6+2700s^5+11200s^4+27480s^3+37440s^2+21600s $$
Explanation
Explanation is too long to display.