| $$ \begin{aligned}\frac{-5+i}{5-i}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-1\end{aligned} $$ | |
| ① | Divide $ \, -5+i \, $ by $ \, 5-i \, $ to get $\,\, -1 $. ( view steps ) |