Đáp án+Giải thích các bước giải:
7) -(2/3+x)²=-(2/3)²+2.2/3.x+x²
= -4/9+4/3x+x²
*{ áp dụng HĐT số 1(A+B)²=A²+2AB+B²}
Chúc bạn hc tốt!
(xin hay nhất ạ!)
`-(2/3+x)^2`
`= - [ (2/3)^2 +2(2/3)x + x^2 ]`
`= -[4/9 + 4/3x +x^2]`
`= -x^2 -4/3x -4/9`
Write the vocabs from the meanings a. Cl______________: (a) easy to understand and not confusing b. Dang______________: (a) likely to injure or damage somebody/something c. D______________: (a) having a large distance from the top or surface to the bottom d. D______________: (a) not easy e. F______________: (a) not near f. Gi______________: (a) very big/enormous g. H______________: (a) a long distance from the bottom to the top h. H______________: (a) opposite to cold l. Hu______________: (a) extremely large in size or amount m. L______________: (n) the energy from the sun, a lamp n. Phy______________: (a) connected with a person’s body rather than their mind o. St______________: (a) unusual, not normal, weird p. T______________: (a) opposite to short q. U______________: (a) opposite to handsome r. W______________: (a) opposite to cold s. W______________: (a) having the colour of fresh snow or of milk Cứu tui
Mn giúp em vs ạ bài này em không biết làm
1. I'm burning with …………………. - you must tell me who won! (CURIOUS) 2. If I was offered another job, I'd leave in a ………………….. (HEART) 3. He was …………………. without his beard. (RECOGNIZE) 4. He has found …………………. at last. (CONTENT) 5. Other parts of the book contain unnecessarily lengthy …………………... (EXPLAIN) 6. You did ………………….. Well-done. (FANTASTIC) 7. The gallery was known for putting on …………………. exhibitions. (DARE) 8. There is a …………………. difference between the two brands. (NOTICE) 9. The new restaurant is highly ………………….. (ATMOSPHERE) 10. The club welcomes all new members …………………. of age. (REGARD) 11. He was brought up by a cruel and …………………. father. (TYRANT) 12. She is very …………………. about plants. (KNOW) 13. I had to deal with the university's …………………. when I was applying for financial aid. (BUREAUCRAT) 14. I'm very …………………. of all the support you've given me. (APPRECIATE) 15. I love Australian wines, …………………. the white wines. (SPECIAL) 16. He's a …………………. good squash player. (RELATE) Hẳn hoi cần đúng ít nhất 75%
Rút gọn phân thức Ai giúp em với ạ
Mn giup minh not lan nay nua nha
Vẽ trăng tròn or calli : '' Mid-Autumn Festival '' Y/c : Ko vi phạm luật HĐ , có kí đầy đủ Tone màu tùy Lưu ý ko vẽ or viết trên giấy có KẺ Chụp rõ ràng ;-; P/c : U la troi ^^ Trung Thu năm nào cũng phải ăn cơm :)
Calli: Gãy kính NL: Cái kình thứ 3 trong năm nay r , gãy miết :( Bruh
Hộ e vs ạ Mong ad duyệt Cần gấp ạ
Cách phân biết các đại từ quan hệ với nhau ;-;; Giair thích cho ví dụ
Giải hộ nha các bn Tui cần gấp nha
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