Question
Answer
$$5a^2+2+8a^2-1=13a^2+1$$
Explanation
| $$ \begin{aligned}5a^2+2+8a^2-1& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}13a^2+1\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{5a^2} + \color{red}{2} + \color{blue}{8a^2} \color{red}{-1} = \color{blue}{13a^2} + \color{red}{1} $$ |
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