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Multiply polynomial $ \, \color{blue}{ 10x^6+5x^2+5 } \, $ by $ \, \color{orangered}{ -5x^3-5x^2-5x+5 }$.
Answer
$$ \left( \color{blue}{10x^6+5x^2+5} \right) \cdot \left( \color{orangered}{-5x^3-5x^2-5x+5} \right) = -50x^9-50x^8-50x^7+50x^6-25x^5-25x^4-50x^3-25x+25 $$
Explanation
Explanation is too long to display.