Tap the blue circles to see an explanation.
$$ \begin{aligned}1+2sqrt\cdot3& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}1+6qrst \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}6qrst+1\end{aligned} $$ | |
① | $$ 2 s q r t \cdot 3 = 6 q r s t $$ |
② | Combine like terms: $$ 6qrst+1 = 6qrst+1 $$ |