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