$$ \begin{aligned}34^2p+16p^2& \xlongequal{ }1156p+16p^2 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}16p^2+1156p\end{aligned} $$ | |
① | Combine like terms: $$ 16p^2+1156p = 16p^2+1156p $$ |