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