Answer
$$2y^2+22y+40-y^2+10y+20=y^2+32y+60$$
Explanation
| $$ \begin{aligned}2y^2+22y+40-y^2+10y+20& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}y^2+32y+60\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{2y^2} + \color{red}{22y} + \color{green}{40} \color{blue}{-y^2} + \color{red}{10y} + \color{green}{20} = \color{blue}{y^2} + \color{red}{32y} + \color{green}{60} $$ |
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Simplify Rational Expressions