Answer
$$5\sqrt{363}=55\sqrt{3}$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}5\sqrt{363}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}5\cdot \sqrt{ 121 \cdot 3 } \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}5\cdot \sqrt{ 121 } \cdot \sqrt{ 3 } \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle3}{\textcircled {3}} } }}}5\cdot11 \sqrt{ 3 } \xlongequal{ } \\[1 em] & \xlongequal{ }55\sqrt{3}\end{aligned} $$ | |
| ① | Factor out the largest perfect square of 363. ( in this example we factored out $ 121 $ ) |
| ② | Rewrite $ \sqrt{ 121 \cdot 3 } $ as the product of two radicals. |
| ③ | The square root of $ 121 $ is $ 11 $. |
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