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Multiply polynomial $ \, \color{blue}{ x^5-3x^2-4x+7 } \, $ by $ \, \color{orangered}{ 2x^2-4x+4 }$.
Answer
$$ \left( \color{blue}{x^5-3x^2-4x+7} \right) \cdot \left( \color{orangered}{2x^2-4x+4} \right) = 2x^7-4x^6+4x^5-6x^4+4x^3+18x^2-44x+28 $$
Explanation
Explanation is too long to display.