Question
Answer
$$8mn^5-2m^6+5m^2n^4-m^3n^3+n^6-4m^6+9m^2n^4-mn^5-4m^3n^3=-6m^6-5m^3n^3+14m^2n^4+7mn^5+n^6$$
Explanation
| $$ \begin{aligned}8mn^5-2m^6+5m^2n^4-m^3n^3+n^6-4m^6+9m^2n^4-mn^5-4m^3n^3& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-6m^6-5m^3n^3+14m^2n^4+7mn^5+n^6\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{8mn^5} \color{red}{-2m^6} + \color{green}{5m^2n^4} \color{orange}{-m^3n^3} +n^6 \color{red}{-4m^6} + \color{green}{9m^2n^4} \color{blue}{-mn^5} \color{orange}{-4m^3n^3} = \\ = \color{red}{-6m^6} \color{orange}{-5m^3n^3} + \color{green}{14m^2n^4} + \color{blue}{7mn^5} +n^6 $$ |
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