Question
Answer
$$12(-3i-4)=-36i-48$$
Explanation
| $$ \begin{aligned}12(-3i-4)& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-36i-48\end{aligned} $$ | |
| ① | Multiply $ \color{blue}{12} $ by $ \left( -3i-4\right) $ $$ \color{blue}{12} \cdot \left( -3i-4\right) = -36i-48 $$ |
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