Question
Answer
$$-5i^{84}-7i^{27}+6i^{84}+10i^{42}=i^{84}+10i^{42}-7i^{27}$$
Explanation
| $$ \begin{aligned}-5i^{84}-7i^{27}+6i^{84}+10i^{42}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}i^{84}+10i^{42}-7i^{27}\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{-5i^{84}} -7i^{27}+ \color{blue}{6i^{84}} +10i^{42} = \color{blue}{i^{84}} +10i^{42}-7i^{27} $$ |
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