Question
Answer
$$2x-5^4+7x-3x^4=-3x^4+9x-625$$
Explanation
| $$ \begin{aligned}2x-5^4+7x-3x^4& \xlongequal{ }2x-625+7x-3x^4 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-3x^4+9x-625\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{2x} -625+ \color{blue}{7x} -3x^4 = -3x^4+ \color{blue}{9x} -625 $$ |
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