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