Rút gọn B = \(\frac{1}{\sqrt{x + 2}} + \frac{\sqrt{x}}{2 - \sqrt{x}} + \frac{2x - \sqrt{x} + 2}{x - 4}\)

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B = \(\frac{1}{\sqrt{x + 2}} + \frac{\sqrt{x}}{2 - \sqrt{x}} + \frac{2x - \sqrt{x} + 2}{x - 4}\)