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