Question
Answer
$$9m^3+m+2m^2-3m^3=6m^3+2m^2+m$$
Explanation
| $$ \begin{aligned}9m^3+m+2m^2-3m^3& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}6m^3+2m^2+m\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{9m^3} +m+2m^2 \color{blue}{-3m^3} = \color{blue}{6m^3} +2m^2+m $$ |
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