Answer
$$4-2i+(11-5i)\cdot0=-2i+4$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}4-2i+(11-5i)\cdot0& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}4-2i+0+0i \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}-2i+4\end{aligned} $$ | |
| ① | $$ \left( \color{blue}{11-5i}\right) \cdot 0 = 00i $$ |
| ② | Combine like terms: $$ \color{blue}{4} \color{red}{-2i} \color{blue}{0} \color{red}{0i} = \color{red}{-2i} + \color{blue}{4} $$ |
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