Question
Answer
$$2x^3+4x^2-6x+8+x^3+3x-7=3x^3+4x^2-3x+1$$
Explanation
| $$ \begin{aligned}2x^3+4x^2-6x+8+x^3+3x-7& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}3x^3+4x^2-3x+1\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{2x^3} +4x^2 \color{red}{-6x} + \color{green}{8} + \color{blue}{x^3} + \color{red}{3x} \color{green}{-7} = \color{blue}{3x^3} +4x^2 \color{red}{-3x} + \color{green}{1} $$ |
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