Question
Answer
$$8u^2+13uv-14v^2-6u^2+15uv=2u^2+28uv-14v^2$$
Explanation
| $$ \begin{aligned}8u^2+13uv-14v^2-6u^2+15uv& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}2u^2+28uv-14v^2\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{8u^2} + \color{red}{13uv} -14v^2 \color{blue}{-6u^2} + \color{red}{15uv} = \color{blue}{2u^2} + \color{red}{28uv} -14v^2 $$ |
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