Bài 1: Giải phương trình sau:

a) \(\left|\frac{3x-6}{1-2x}\right|=x-2\)

b) \(\left|-2x+8\right|=\frac{x^2-6x+8}{x+3}\)

c) \(\frac{\left|x\right|-6}{x^2-36}=2\)

d) \(\frac{\left|x^2-4x+3\right|}{5x^2-7x+2}=x-3\)

e) \(\frac{-2x^2+7x-4}{\left|2x+1\right|}=4-x\)

f) \(\frac{\left|x^2+5x+4\right|}{x^2+3x+2}=x+4\)