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

----- Nội dung ảnh -----
A = \(\frac{(1-x)(2x+4)}{x+2}\)

B = \(\frac{3x-6}{x^3-6x^2+12x-8}\)

C = \(\frac{x^3+2x^2}{x^3+6x^2+12x+8}\)

D = \(\frac{3(x-y)^2}{2x^2(x-y)^2}\)

E = \(\frac{-3^2-6x}{4-x^2}\)

F = \(\frac{8x^2y^2(x+y)}{4xy(x^2-y^2)}\)

G = \(\frac{x(x+3)}{x^2(2x+6)}\)

H = \(x^2-2x+1\)

I = \(\frac{x^2-2x+1}{x^2-3x+2}\)

J = \(\frac{48(x-5)^2}{120-24x}\)

K = \(\frac{12x^3y^2(x-y)^2}{18x^2y^5(x-y)}\)