Question
Answer
$$-5n^4+8+5n^4+8n^3+3n^2=8n^3+3n^2+8$$
Explanation
| $$ \begin{aligned}-5n^4+8+5n^4+8n^3+3n^2& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}8n^3+3n^2+8\end{aligned} $$ | |
| ① | Combine like terms: $$ \, \color{blue}{ -\cancel{5n^4}} \,+8+ \, \color{blue}{ \cancel{5n^4}} \,+8n^3+3n^2 = 8n^3+3n^2+8 $$ |
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