Question
Answer
$$5a^2+2+2-1=5a^2+3$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}5a^2+2+2-1& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}5a^2+2+1 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}5a^2+3\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{2} \color{blue}{-1} = \color{blue}{1} $$ |
| ② | Combine like terms: $$ 5a^2+ \color{blue}{2} + \color{blue}{1} = 5a^2+ \color{blue}{3} $$ |
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