Question
Answer
$$2x+8+4x^4-5x^4-2x-7=-x^4+1$$
Explanation
| $$ \begin{aligned}2x+8+4x^4-5x^4-2x-7& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-x^4+1\end{aligned} $$ | |
| ① | Combine like terms: $$ \, \color{blue}{ \cancel{2x}} \,+ \color{green}{8} + \color{orange}{4x^4} \color{orange}{-5x^4} \, \color{blue}{ -\cancel{2x}} \, \color{green}{-7} = \color{orange}{-x^4} + \color{green}{1} $$ |
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