Question
Answer
$$3x^2-3x^3+4x^2-7x^3=-10x^3+7x^2$$
Explanation
| $$ \begin{aligned}3x^2-3x^3+4x^2-7x^3& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-10x^3+7x^2\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{3x^2} \color{red}{-3x^3} + \color{blue}{4x^2} \color{red}{-7x^3} = \color{red}{-10x^3} + \color{blue}{7x^2} $$ |
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