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