Bài 3: Rút gọn Q = \(\sqrt{x-2}\) - \(\frac{1 - 2x + \sqrt{x+8}}{x + 2\sqrt{2} + 4}\) \(\sqrt{x-2}\) - \(8 - x \sqrt{2}\)

----- Nội dung ảnh -----
Bài 3: Rút gọn
Q = \(\sqrt{x-2}\) - \(\frac{1 - 2x + \sqrt{x+8}}{x + 2\sqrt{2} + 4}\)
\(\sqrt{x-2}\) - \(8 - x \sqrt{2}\)