Question
Answer
$$i(-4i)\cdot6i=24i$$
Explanation
| $$ \begin{aligned}i(-4i)\cdot6i& \xlongequal{ }-4i^2\cdot6i \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}4\cdot6i \xlongequal{ } \\[1 em] & \xlongequal{ }24i\end{aligned} $$ | |
| ① | $$ -4i^2 = -4 \cdot (-1) = 4 $$ |
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