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