Question
Answer
$$6-n^2-7n^4+2+8n^2=-7n^4+7n^2+8$$
Explanation
| $$ \begin{aligned}6-n^2-7n^4+2+8n^2& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-7n^4+7n^2+8\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{6} \color{red}{-n^2} -7n^4+ \color{blue}{2} + \color{red}{8n^2} = -7n^4+ \color{red}{7n^2} + \color{blue}{8} $$ |
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