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