Question
Answer
$$3x^2-7x+5+x^2+2x-3=4x^2-5x+2$$
Explanation
| $$ \begin{aligned}3x^2-7x+5+x^2+2x-3& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}4x^2-5x+2\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{3x^2} \color{red}{-7x} + \color{green}{5} + \color{blue}{x^2} + \color{red}{2x} \color{green}{-3} = \color{blue}{4x^2} \color{red}{-5x} + \color{green}{2} $$ |
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