x²-2x+x-2=2x²-8

x²-2x+x-8x²=-8+2

-8x=-6

8x=6

x=

Vậy phương trình có tập nghiệm S={}

1.My favorite programme is animals programme.

2.I watch Tv the most in my free time on weekends.

3.I watch Tv 1 hour a day.

4.I listen music,read the book and cook with mom.

5.They'er great  for entertaiment.

6. Yes, I usually exercise in the morning.