Answer
$$8-p^2+5p+p^2-15-4p=p-7$$
Explanation
| $$ \begin{aligned}8-p^2+5p+p^2-15-4p& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}p-7\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{8} \, \color{red}{ -\cancel{p^2}} \,+ \color{orange}{5p} + \, \color{red}{ \cancel{p^2}} \, \color{blue}{-15} \color{orange}{-4p} = \color{orange}{p} \color{blue}{-7} $$ |
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