Question
Answer
$$2x^2-5+x^2+3x-1=3x^2+3x-6$$
Explanation
| $$ \begin{aligned}2x^2-5+x^2+3x-1& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}3x^2+3x-6\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{2x^2} \color{red}{-5} + \color{blue}{x^2} +3x \color{red}{-1} = \color{blue}{3x^2} +3x \color{red}{-6} $$ |
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