Tap the blue circles to see an explanation.
$$ \begin{aligned}\frac{32}{\sqrt{8}}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}} \frac{ 32 }{\sqrt{ 8 }} \times \frac{ \color{orangered}{\sqrt{ 8 }} }{ \color{orangered}{\sqrt{ 8 }}} \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}\frac{32\sqrt{8}}{8} \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle3}{\textcircled {3}} } }}} \frac{ 32 \sqrt{ 4 \cdot 2 }}{ 8 } \xlongequal{ } \\[1 em] & \xlongequal{ } \frac{ 32 \cdot 2 \sqrt{ 2 } }{ 8 } \xlongequal{ } \\[1 em] & \xlongequal{ }\frac{64\sqrt{2}}{8} \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle4}{\textcircled {4}} } }}} \frac{ 64 \sqrt{ 2 } : \color{blue}{ 8 } }{ 8 : \color{blue}{ 8 } } \xlongequal{ } \\[1 em] & \xlongequal{ }\frac{8\sqrt{2}}{1} \xlongequal{ } \\[1 em] & \xlongequal{ }8\sqrt{2}\end{aligned} $$ | |
① | Multiply both top and bottom by $ \color{orangered}{ \sqrt{ 8 }}$. |
② | In denominator we have $ \sqrt{ 8 } \cdot \sqrt{ 8 } = 8 $. |
③ | Simplify $ \sqrt{ 8 } $. |
④ | Divide both the top and bottom numbers by $ \color{blue}{ 8 }$. |