`#tnvt`
`4x^2+4xy+y^2+5(2x+y)-6`
`=4x^2+4xy+y^2+10x+5y-6`
`=y^2+2xy+6y+2xy+4x^2+12x-y-2x-6`
`=y(y+2x+6)+2x(y+2x+6)-(y+2x+6)`
`=(y+2x-1)(y+2x+6)`
Đáp án:xinctlhn
Gửi bạn
Giải thích các bước giải:
$4x^{2}$ + $4xy^{}$ +$y^{2}$ +$5^{}$. (2x+y)-6
<->$(2x+y)^{2}$ + $5^{}$. (2x+y)-6
<->(2x+y) . (2x+y+5-6)
<->(2x+y) . (2x+y-1)
Mọi người ơi giúp em câu này với ạ em đang cần lắm ạ
Ai giúp mình với ạ, mình cần gấp :( Complete the second sentence so that it has a similar meaning to the first sentence using the word given. Don’t change the words given. 1. I’ve been in this school for two years, come the end of the month. BEEN By the end of the month ____________________ in this school for two years. 2. Why don’t you come and see us during lunch? WHILE Why don’t you come to see us ______________ lunch. 3. Helen and Andrew are about to separate after a five-year-marriage. POINT Helen and Andrew are ___________________ after a five-year-marriage. 4. Susan booked out before we got to her hotel. BY Susan ___________________________________ we got to her hotel. 5. Someone has suggested that the shop should close. BEEN It ___________________________ that the shop should close. 6. The police think that someone used a knife to open this window. HAVE A knife is __________________________________ to open this window. 7. There is a rumour that she was having business difficulties. IS It ____________________________________ business difficulties. 8. The car hasn’t been serviced for a long time. HAD We _________________________ for a long time. 9. It would be better if you didn’t stay long. RATHER I _____________________________ stay long. 10. I wish I hadn’t heard that. TOLD I would ______________________ me that. 11. The agreement ended six months of negotiations. They signed it yesterday. WHICH The agreement __________________________ yesterday ended six months of negotiations. 12. The film is about the lives of three women. Kate Dillon plays all the women. WHOM The film is about the lives of three women, _________________ by Kate Dillon.
Có mấy cách làm nhiễm điện vật?cho VD mỗi cách
vẽ 1 con chuột hamster cute nl:con hamster nhà tui bị con tó cắn tết T^T
giải hộ mình với 3. Hiệu điện thế giữa hai đầu dây dẫn giảm bao nhiêu lần thì A. Cường độ dòng điện chạy qua dây dẫn không thay đổi. B. Cường độ dòng điện chạy qua dây dẫn có lúc tăng, lúc giảm. C. Cường độ dòng điện chạy qua dây dẫn giảm bấy nhiêu lần. D. Cường độ dòng điện chạy qua dây dẫn tăng bấy nhiêu lần. 5. Một dây dẫn có điện trở 50 Ω chịu được dòng điện có cường độ lớn nhất là 300mA. Hiệu điện thế lớn nhất đặt giữa hai đầu dây dẫn đó là: A. 1500V B. 15V C. 60V D. 6V
Hòa tan hoàn toàn mg( em mờ gam) ZnO cần 100g dung dịch H2SO4 9,8% a) Viết PTHH b) Tính m? c) Tính nồng độ phần trăm(%) của dung dịch thu được sau phản ứng
Ai giúp mình với ạ, mình cần gấp :( Complete the second sentence so that it has a similar meaning to the first sentence using the word given. Don’t change the words given. 1. Sandy asked if I wanted more cake, but I told her I couldn’t eat anymore. (ENOUGH) When Sandy offered ________________________. 2. Jemima was unable to sing live as arranged. (SUPPOSED) Jemima was _________________________. 3. Tim wasn’t always as foul-mouthed as that. (RUDE) Tim ___________________________________. 4. We’ve changed our minds about going to London, as originally planned. (GOING) We ________________ we’ve changed our minds. 5. When I lived in Leeds, cycling to work was part of my daily routine. (USED) When I lived in Leeds, I _________________ work. 6. I had to go past your house so I decided to drop in. (GOING) I ___________ so I decided to pop in to see you. 7. About 20 people were waiting for the late tram. (ARRIVED) By ______________ about 20 people were waiting. 8. I’ve never been to this shop before. (TIME) This is ____________________________________. 9. There is late-night shopping on Thursday. (OPEN) The shops ____________________ on Thursday. 10. Shall we go into town this afternoon? (LIKE) Would __________ go into town this afternoon?
mik đâg cần gấp . Cảm ơn ạ ( trả lời chi tiết ) < nếu đc >
Giup minh zoiiiii, lam chi tiet nhaa, thank youuuu
Y = 3 - 2cosx Y = 3sinx -1 Y = sin^2 x +5 Tìm GTLN , GTNN
Loga.vn - Cộng Đồng Luyện Thi Trực Tuyến