Mình chưa hiểu được tại sao suy ra được dòng này mọi người giúp mình nhé

Toán cần giúp mọi người giúp hộ và gải chi tiết

Giupps mình đi 😭😭😭😢😢😢😢😢😢

1> (3x-1) ( 2x+7) –(x+1) (6x-5) 2> (3x-5) (7-5x) + (5x+2) (3x-2)-2 3> x(x-1/3) -1/2x (2x-3)

các bạn giúp mình đặt tên nhóm có nghĩa cố gắng. Vẽ mầm nữa nha

Giải chính xác hộ tui bài 1 nhen

Hãy liên hệ 1 ví dụ Thực Tiễn về 1 cuộc đấu tranh giai cấp làm động lực phát triển xã hội ở Việt Nam . Cuộc đấu tranh giai cấp ấy góp phần gì để phát triển xã hội.

6. Could you help me carry the heavy basket, please? A. Do you mind if I carry the heavy basket? B. Would you mind if I helped you carry the heavy basket? C. Would you mind carrying the heavy basket? D. I can help you carry the basket if you like. 7. Tuan wrote these books many years ago. A. These books are written by Tuan many years ago. C. These books was written by Tuan many years ago. B. These books were written many years ago by Tuan. D. These books were written by Tuan many years ago. 8. The weather was too bad for us to go on a picnic. A. It was such bad weather that we couldn’t go on a picnic. B. It was such a bad weather that we couldn’t go on a picnic. C. The weather wasn’t enough fine for us to go on a picnic. D. The weather was so bad for us to go on a picnic. 9. “Don’t play here because it’s not safe for you.” Mrs Lan said. A. Mrs Lan said me not to play here because it’s not safe for me. B. Mrs Lan told me not to play here because it wasn’t safe for me. C. Mrs Lan asked me not to play there because it’s not safe for you. D. Mrs Lan asked me not to play there because it was not safe for me. 10. Hung doesn’t have enough money to buy this book. A. Hung wishes he had enough money to buy this book. B. Hung wishes he had had enough money to buy this book. C. Hung wishes he didn’t have enough money to buy this book. D. Hung wishes he has enough money to buy this book. 11. Tuan didn’t attend the festival of our school. He supported us a lot. A. Although Tuan didn’t attend the festival of our school, he supported us a lot. B. Tuan didn’t attend the festival of our school. Moreover, he supported us a lot. C. Tuan didn’t attend the festival of our school because he supported us a lot. D. Despite Tuan didn’t attend the festival of our school, he supported us a lot. 12. Do you seldom go out for dinner? A. You seldom go out for dinner, don’t you? B. You seldom go out for dinner, are you? C. You seldom go out for dinner, aren’t you? D. You seldom go out for dinner, do you?

bài 8 tìm giá trị nhỏ nhất của biểu thức a= trị tuyệt đối của x và +2 b= trị tuyệt đối x-1/2 và trừ -4

câu viết tổng thành tích theo kĩ thuật tách bình phương rồi ghép HĐT số 3 Giúp mình với