Tap the blue circles to see an explanation.
$$ \begin{aligned}2\sqrt{6}+2\sqrt{24}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}2\sqrt{6}+4\sqrt{6} \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}6\sqrt{6}\end{aligned} $$ | |
① | $$ 2 \sqrt{24} =
2 \sqrt{ 2 ^2 \cdot 6 } =
2 \sqrt{ 2 ^2 } \, \sqrt{ 6 } =
2 \cdot 2 \sqrt{ 6 } =
4 \sqrt{ 6 } $$ |
② | Combine like terms |