Question
Answer
$$3\sqrt{3}(2\sqrt{6}+4\sqrt{10})=18\sqrt{2}+12\sqrt{30}$$
Explanation
| $$ \begin{aligned}3\sqrt{3}(2\sqrt{6}+4\sqrt{10})& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}18\sqrt{2}+12\sqrt{30}\end{aligned} $$ | |
| ① | $$ \color{blue}{ 3 \sqrt{3} } \cdot \left( 2 \sqrt{6} + 4 \sqrt{10}\right) = \color{blue}{ 3 \sqrt{3}} \cdot 2 \sqrt{6}+\color{blue}{ 3 \sqrt{3}} \cdot 4 \sqrt{10} = \\ = 18 \sqrt{2} + 12 \sqrt{30} $$ |
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