Question

Làm câu d thôi ạ 

Answer 1

P rút gọn bằng mấy á

Answer 2

d.P>2

(=)\(\dfrac{2x}{x-2}>2\)

(=)\(\dfrac{2x}{x-2}-2>0\)

(=)\(\dfrac{2x}{x-2}-\dfrac{2\left(x-2\right)}{x-2}>0\)

(=)\(\dfrac{2x}{x-2}-\dfrac{2x-4}{x-2}>0\)

(=)\(\dfrac{2x-2x+4}{x-2}>0\)

(=)\(\dfrac{4}{x-2}>0\)

(=)x-2>0

(=)x>2