Question
Answer
$$4a^2-a^2=3a^2$$
Explanation
| $$ \begin{aligned}4a^2-a^2& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}3a^2\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{4a^2} \color{blue}{-a^2} = \color{blue}{3a^2} $$ |
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