a)(3x-4)(2x-5)=(3x-4)(x+2)
b)$\frac{x}{2x-6}$ -$\frac{x}{2x+2}$ +$\frac{2x}{(x+1)(3-x)}$
c)$\frac{6}{x^2-1}$ +5=$\frac{8x-1}{4x+4}$ -$\frac{12x-1}{4-4x}$
d)|3x+1|=2x-2
5)$\frac{8x-4}{2x^2-2}$ =$\frac{4}{x+1}$ -$\frac{x-2}{x-1}$
6)x^2-2x)(x^2-3x^2-3x^2-18x
7\2x-3|=x-1
Loga
Sinh Học lớp 12
