Question
Answer
$$4x^3+5x+15+6x^3+6x^2+8x-17=10x^3+6x^2+13x-2$$
Explanation
| $$ \begin{aligned}4x^3+5x+15+6x^3+6x^2+8x-17& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}10x^3+6x^2+13x-2\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{4x^3} + \color{red}{5x} + \color{green}{15} + \color{blue}{6x^3} +6x^2+ \color{red}{8x} \color{green}{-17} = \color{blue}{10x^3} +6x^2+ \color{red}{13x} \color{green}{-2} $$ |
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