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Multiply polynomial $ \, \color{blue}{ x^6+x^4+x^3+x } \, $ by $ \, \color{orangered}{ x^7+x^5+x^2+1 }$.
Answer
$$ \left( \color{blue}{x^6+x^4+x^3+x} \right) \cdot \left( \color{orangered}{x^7+x^5+x^2+1} \right) = x^{13}+2x^{11}+x^{10}+x^9+3x^8+3x^6+x^5+x^4+2x^3+x $$
Explanation
Explanation is too long to display.