Answer
$$2a^2-8a^2+5a^3-11a^2=5a^3-17a^2$$
Explanation
| $$ \begin{aligned}2a^2-8a^2+5a^3-11a^2& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}5a^3-17a^2\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{2a^2} \color{red}{-8a^2} +5a^3 \color{red}{-11a^2} = 5a^3 \color{red}{-17a^2} $$ |
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