2) $(\sqrt{18}-\sqrt{2})\sqrt{2}$;

Question

Вопрос: $Фото задания: 2) $(\sqrt{18}-\sqrt{2})\sqrt{2}$;$ Фото задания

Accepted Answer

$\sqrt{18}=3\sqrt{2}$.

$(\sqrt{18}-\sqrt{2})\sqrt{2}=(3\sqrt{2}-\sqrt{2})\sqrt{2}=2\sqrt{2}\cdot\sqrt{2}=4$.

Ответ: 4.

2) \((\sqrt{18}-\sqrt{2})\sqrt{2}\);