Answer
$$(7-4i)e^{7+4i}x+(7+4i)e^{7-4i}x=((7-4i)e^{7+4i}+(7+4i)e^{7-4i})x$$
Explanation
| $$ \begin{aligned}(7-4i)e^{7+4i}x+(7+4i)e^{7-4i}x& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}((7-4i)e^{7+4i}+(7+4i)e^{7-4i})x\end{aligned} $$ | |
| ① | Use the distributive property. |
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