Question
Answer
$$1-6i\cdot4+5i=-19i+1$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}1-6i\cdot4+5i& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}1-24i+5i \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}-19i+1\end{aligned} $$ | |
| ① | $$ 6 i \cdot 4 = 24 i $$ |
| ② | Combine like terms: $$ 1 \color{blue}{-24i} + \color{blue}{5i} = \color{blue}{-19i} +1 $$ |
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