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