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