Question
Answer
$$x^2-3x-5xy+6x^2-2xy+x=7x^2-7xy-2x$$
Explanation
| $$ \begin{aligned}x^2-3x-5xy+6x^2-2xy+x& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}7x^2-7xy-2x\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{x^2} \color{red}{-3x} \color{green}{-5xy} + \color{blue}{6x^2} \color{green}{-2xy} + \color{red}{x} = \color{blue}{7x^2} \color{green}{-7xy} \color{red}{-2x} $$ |
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