Question
Answer
$$2\sqrt{2}(\sqrt{7}+3\sqrt{3})=2\sqrt{14}+6\sqrt{6}$$
Explanation
| $$ \begin{aligned}2\sqrt{2}(\sqrt{7}+3\sqrt{3})& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}2\sqrt{14}+6\sqrt{6}\end{aligned} $$ | |
| ① | $$ \color{blue}{ 2 \sqrt{2} } \cdot \left( \sqrt{7} + 3 \sqrt{3}\right) = \color{blue}{ 2 \sqrt{2}} \cdot \sqrt{7}+\color{blue}{ 2 \sqrt{2}} \cdot 3 \sqrt{3} = \\ = 2 \sqrt{14} + 6 \sqrt{6} $$ |
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