Question
Answer
$$-6+7i+6-7i=0$$
Explanation
| $$ \begin{aligned}-6+7i+6-7i& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}0\end{aligned} $$ | |
| ① | Combine like terms: $$ \, \color{blue}{ -\cancel{6}} \,+ \, \color{green}{ \cancel{7i}} \,+ \, \color{blue}{ \cancel{6}} \, \, \color{green}{ -\cancel{7i}} \, = \color{blue}{0} $$ |
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