giúp e với ạ mọi người giúp e bài này ạ

Chứng tỏ rằng: Giá trị của các biểu thức sau ko phụ thuộc vào giá trị của biến: a, x(5x-3)-x^2(x-1)+x(x^2-6x)-10+3x b, x(x^2+x+1)-x^2(x+1)-x+5

Giải giúp em câu 2 với ạ .em cám ơn trước

Mọi người giúp em cho vài mẫu câu trả lời cho câu hỏi này với ạ em cảm ơn. 1 .The worst thing in my hometown? 2. Do you like living in your hometown / HCM city?why? 3.What food /drink do you like/dislike? 4.What are the best /worst things about your hometown /HCM city ?

Cho hàm số y = x ^ 2 + sqrt(x - mx + m) Tìm tham số m để hàm số đồng biến trên khoảng xác định của nó ?

Giúp mik vs mn ơi 😶 Ai giúp mik iii

Phải dùng bao nhiêu lít nước sôi 100°C và bao nhiêu lít nước lạnh 20°C để có hỗn hợp 100 lít nước ở nhiệt độ 40°C

Bài2 đặt tính rồi tính 224454+98808

I. Find the word which has a different sound in the part underlined. 1. A. the B. there C. think D. they 2. A. earth B. feather C. theater D. thanks 3. A. when B. where C. detective D. best 4. A. clumsy B. cute C. just D. but 5. A. weather B. newsreader C. teaching D. repeat II. Find which word does not belong to each group. 1. A. director B. viewer C. audience D. watcher 2. A. international B. local C. national D. boring 4. A. newsreader B. programme C. comedian D. film producer 5. A. reporter B. educational C. exciting D. popular III. Choose the best answer (A, B, C or D). 1. VTV is a __________ TV channel in Vietnam. It attracts millions of TV viewers in Vietnam. A. national B. international C. local D. wide 2. What’s your __________ TV programme? A. best B. good C. favourite D. like 3. My family enjoys watching game shows __________ they are very exciting and interesting. A. so B. because C. but D. and 4. - __________ do you like the modern English programme? - Because it helps me with my English. A. What B. Where C. Who D. Why 5. Disney channel is one of the most __________ channels __________ children. A. good – for B. exciting – of C. popular – to D. popular – for 6. - __________is that TV programme directed by? - By a famous Vietnamese director. A. What B. When C. Where D. Who 7. The football match is on at 2 am __________ I can’t watch it. A. so B. because C. but D. then 8. My brother wants to become a __________ to tell TV viewers what the weather is like. A. newsreader B. actor C. weatherman D. producer 9. My sister often __________ badminton in her free time. A. play B. plays C. playing D. to play 10. __________ are films by pictures, not real people and often for children. A. Documentary B. Cartoon C. Love stories D. Detective story 11. Are there any good programmes __________ teenagers on TV tonight? A. to B. of C. with D. for 12. My father works late tomorrow, so he will __________ the first part of the film on VTV1. A. miss B. lose C. forget D. cut 13. That TV programme is not only interesting _________ it also teaches children many things about family and friendship. A. and B. so C. because D. but 14. - __________ is the weather forecast programme on? - At 7.30 pm every day. A. what B. how C. when D. where 15. If you want to know what the __________ is like tomorrow, watch the weather forecast. A. weather B. music C. world news D. game show 16. Children can participate in a TV __________ for a game show or quiz show. A. channel B. competition C. studio D. cartoon 17. I want to watch the cartoon _________ I turn on the TV. A. but B. so C. although D. because IV. Complete the sentences with and, so, but or because. 1. I didn't feel well ________________ I stayed at home. 2. He liked her ________________ she was happy. 3. I liked Spain ________________ I wanted to go home. 4. She likes swimming ________________ jogging. 5. We were late ________________ there was an accident.

tìm nghiệm của đa thức (x-3)×(x+2)