Question
Answer
$$3n(4n^2+6n)=12n^3+18n^2$$
Explanation
| $$ \begin{aligned}3n(4n^2+6n)& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}12n^3+18n^2\end{aligned} $$ | |
| ① | Multiply $ \color{blue}{3n} $ by $ \left( 4n^2+6n\right) $ $$ \color{blue}{3n} \cdot \left( 4n^2+6n\right) = 12n^3+18n^2 $$ |
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