Tìm m để phương trình x²-2019x+m-1=0 có nghiệm x₁, x₂ thỏa mãn x₁²+2018x₂²=2019x₁x₂

Write a paragragh (120-150 words) about disadvantages of playing video games.

Chữa lỗi sai (giải thích luôn được không ạ!)

1. I have looked after my cả keys for an hour but I can't find them.

2. I have started to learn English six mouths ago.

3. It's very hot here. Why don't you turn off the fan?

4. Kangaroos,who come from Australia, have long tails.

5.My father suggests to take showers instead of baths to save water.