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