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