Rút gọn biểu thức: 1) \( A = \frac{1}{x-5} - \frac{x-10}{x} + \frac{5}{x+5} \) 2) \( B = \frac{8}{(x+4)(x-16)} - \frac{x+1}{(x+14)} \) 3) \( C = \frac{(1+x^2)}{(x+2)(x-2)} + \frac{(x+48)}{(x+2)(x-2)} - 5 \) 4) \( D = 2x - 3 - (g - x^2) \) 5) \( E = \frac{3}{x^2} - \frac{6-5x + 2x}{x-2} + \frac{2}{x+2} \) 6) \( F = \left( \frac{3}{x+2} - \frac{1}{x-2} \right) \cdot \frac{x-3}{x^2 - 4} \) 7) \( G = \frac{1 + 2x}{x - 1 - x^2} \cdot \frac{1}{(x+1)} \) 8) \( H = \left(\frac{2x - 2}{x-2}\right) \cdot \frac{1}{x-1} \) 9) \( I = \left(MS - x + 2\right) \cdot \frac{x+1}{x^2 - 25} \cdot \frac{x + 15}{x^2 - 10x} \) 10) \( X = \left( \frac{x^2 - 2 - \frac{1}{x} + 1}{x^2 + 2x} \right) \cdot \frac{x}{(x+0)(x-2)} \cdot \frac{5}{x+5} \)

rút gọn 10 biểu thức 
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Rút gọn biểu thức:

1) \( A = \frac{1}{x-5} - \frac{x-10}{x} + \frac{5}{x+5} \)

2) \( B = \frac{8}{(x+4)(x-16)} - \frac{x+1}{(x+14)} \)

3) \( C = \frac{(1+x^2)}{(x+2)(x-2)} + \frac{(x+48)}{(x+2)(x-2)} - 5 \)

4) \( D = 2x - 3 - (g - x^2) \)

5) \( E = \frac{3}{x^2} - \frac{6-5x + 2x}{x-2} + \frac{2}{x+2} \)

6) \( F = \left( \frac{3}{x+2} - \frac{1}{x-2} \right) \cdot \frac{x-3}{x^2 - 4} \)

7) \( G = \frac{1 + 2x}{x - 1 - x^2} \cdot \frac{1}{(x+1)} \)

8) \( H = \left(\frac{2x - 2}{x-2}\right) \cdot \frac{1}{x-1} \)

9) \( I = \left(MS - x + 2\right) \cdot \frac{x+1}{x^2 - 25} \cdot \frac{x + 15}{x^2 - 10x} \)

10) \( X = \left( \frac{x^2 - 2 - \frac{1}{x} + 1}{x^2 + 2x} \right) \cdot \frac{x}{(x+0)(x-2)} \cdot \frac{5}{x+5} \)