Question
Answer
$$-8\sqrt{14}\cdot(3+6\sqrt{2})=-24\sqrt{14}-96\sqrt{7}$$
Explanation
| $$ \begin{aligned}-8\sqrt{14}\cdot(3+6\sqrt{2})& \xlongequal{ }-(24\sqrt{14}+96\sqrt{7}) \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-24\sqrt{14}-96\sqrt{7}\end{aligned} $$ | |
| ① | Remove the parenthesis by changing the sign of each term within them. |
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