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