Tap the blue circles to see an explanation.
$$ \begin{aligned}\sqrt{9}-27-5& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}3-27-5 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}-29\end{aligned} $$ | |
① | $$ \sqrt{9} = 3 $$ |
② | Combine like terms |