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