Bài 3. Giải các phương trình sau: a) \( x^2 - 2x = 0 \) b) \( (6x + 3)^2 = (2x - 5)^2 \) c) \( x^3 - 5x^2 - 4x + 20 = 0 \) d) \( x^3 - 7x^2 + 10x = 0 \) e) \( \frac{x - 5x + 2}{6} = \frac{7 - 3x}{4} \) f) \( \frac{7x - 1}{3} - 2x + 1 = \frac{16 - x}{2} \) g) \( 12 - 3(x - 2)^2 = (x + 2)(1 - 3x) + 2 \) h) \( \frac{x - 2}{2015} + \frac{x - 3}{2014} - \frac{x - 5}{1006} + \frac{x - 2017}{99} \)

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Bài 3. Giải các phương trình sau:
a) \( x^2 - 2x = 0 \)
b) \( (6x + 3)^2 = (2x - 5)^2 \)
c) \( x^3 - 5x^2 - 4x + 20 = 0 \)
d) \( x^3 - 7x^2 + 10x = 0 \)
e) \( \frac{x - 5x + 2}{6} = \frac{7 - 3x}{4} \)
f) \( \frac{7x - 1}{3} - 2x + 1 = \frac{16 - x}{2} \)
g) \( 12 - 3(x - 2)^2 = (x + 2)(1 - 3x) + 2 \)
h) \( \frac{x - 2}{2015} + \frac{x - 3}{2014} - \frac{x - 5}{1006} + \frac{x - 2017}{99} \)