Answer
$$2x^3(x^3+3x^2-2x+5)=2x^6+6x^5-4x^4+10x^3$$
Explanation
| $$ \begin{aligned}2x^3(x^3+3x^2-2x+5)& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}2x^6+6x^5-4x^4+10x^3\end{aligned} $$ | |
| ① | Multiply $ \color{blue}{2x^3} $ by $ \left( x^3+3x^2-2x+5\right) $ $$ \color{blue}{2x^3} \cdot \left( x^3+3x^2-2x+5\right) = 2x^6+6x^5-4x^4+10x^3 $$ |
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