Question
Answer
$$5m^2+3+4m^3+5m^3-5+7m^2=9m^3+12m^2-2$$
Explanation
| $$ \begin{aligned}5m^2+3+4m^3+5m^3-5+7m^2& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}9m^3+12m^2-2\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{5m^2} + \color{red}{3} + \color{green}{4m^3} + \color{green}{5m^3} \color{red}{-5} + \color{blue}{7m^2} = \color{green}{9m^3} + \color{blue}{12m^2} \color{red}{-2} $$ |
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