Question
Answer
$$-10q^2-14q+15-15q^2+5q+3=-25q^2-9q+18$$
Explanation
| $$ \begin{aligned}-10q^2-14q+15-15q^2+5q+3& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-25q^2-9q+18\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{-10q^2} \color{red}{-14q} + \color{green}{15} \color{blue}{-15q^2} + \color{red}{5q} + \color{green}{3} = \color{blue}{-25q^2} \color{red}{-9q} + \color{green}{18} $$ |
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