Phân tích đa thức thành nhân tử bằng phương pháp đặt ẩn phụ: (x² + 4x +8)² + 3x (x² + 4x +8) + 2x²

Mik đg cần gấp cho chiều nay mn giúp mik vx , mik cần câu 3 và 4 ạ

When________________________? → I usually leave for school at quarter to 7. Where_______________________? → I usually have breakfast at home, but sometimes at the school canteen.

tìm nghiệm của đa thức a) 3x - 2 b)x^2 - 25

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F =2-/X+2 phần 3/ đạt giá trị lớn nhất khi x bằng

Viết đoạn văn 15 câu nêu suy nghĩ của em về vai trò ý thức kỷ luật trong cuộc sống

Khai triển biểu thức sau $( x + 1 - 2y ) ^{2}$

11. He has twisted his ankle, so he can't play tennis this afternoon. => (NOT) Had _____________, he would have been able to play. * 12. We didn't follow the directions, that's why we got lost. => (WOULD) We ______________________ if we had followed the directions. * 13. You should read more to improve your vocabulary; that's what I'd do. => (WERE) If ______________________ read more to improve my vocabulary. * 14. Jenny can get a puppy only if she promises to take care of it. => (LONG) Jenny can get a puppy ____________________ to take care of it. * 15. I wouldn't mind being transferred to another city if they offered me a higher salary. => (CONDITION) I wouldn't mind being transferred to another city _____________________________ me a higher salary. * 16. Fortunately, they were wearing seat belts, so nobody was seriously injured. => (NOT) If ______________________ seat belts, they could have been seriously injured. * 17. You can borrow my camera providing that you handle with care. => (AS) You can borrow my camera ________________________ care. * 18. Provided she passed her exam, her parents will let her go to Italy for the holdays. => (ON) _________________her exam, her parents will let her go to Italy for the holdays. 19. Should you ever go to Colombia, visit the Museum of Gold in Bogota. => (happen) If _____________to Colombia, visit the Museum of Gold in Bogota. * 20. I think that you shouldn't drink so much coffee. => (WOULDN'T) If __________________ so much coffee.

khi nhân một số với 3,5; một học sinh đã đặt các phép tính riêng thẳng cột như phép cộng nên két quả giảm đi 337,5. Tìm tích đúng.