Question
Answer
$$(3+3i)\cdot(-1)=-3i-3$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}(3+3i)\cdot(-1)& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-3-3i \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}-3i-3\end{aligned} $$ | |
| ① | $$ \left( \color{blue}{3+3i}\right) \cdot -1 = -3-3i $$ |
| ② | Combine like terms: $$ -3i-3 = -3i-3 $$ |
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