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