Giúp mình bài này nha: (x - 1) (x + 1) (x + 2)

Cho 2 đa thức f(x) = (m-2) x^2 + x +1 a) Tìm m để đa thức f(x) có bậc là 1 b) Tìm m để đa thức f(x) nhận x=2 là nghiệm.

VI. Give the right forms of the verbs in brackets: Simple future or Simple present or Future continuos. 1. When you (go)…………… into the office, Mr John (sit) ……………………at the front desk. 2. Our English teacher (explain) …………………that lesson to us tomorrow. 3. We (wait) ………………..for you when you (get)………………. back tomorrow. 4. What you (do)…………….. at 7 p.m next Sunday? I (practice)……………….… my English lesson then. 5. When I (see) …………………..Mr. Pike tomorrow, I (remind) ………………….him of that. 6. When you (come) ………………..today, I (work) ………………at my desk in Romm 12. 7. He (work) ……………………on the report at this time tomorrow. 8. Please wait here until the manager (return)……………………... 9. Don't leave until you (see)…………………….. her. 10. The brown (do) ……………….their housework when you (come)………… next Sunday.

11. Viết các phương trình phản ứng điều chế trực tiếp FeCl2 từ Fe, từ FeSO4, từ FeCl3

V. Give the right forms of the verbs in brackets: Simple future or Simple present, Present perfect or Future perfect. 1. I'll wait until he (finish)……………… his novel. 2. When you (came) ………………….back, he already (buy)……………….. a new house. 3. Don't come until I (finish)……………… lunch. 4. I (hope) it (stop)……………….. raining by 5 o'clock this afternoon. 5. The river (not begin) ……………to swell until some rain (fall)……………….. 6. By next month I (leave)………………… for India. 7. The film (end)…………………. by the time we (get) ………………..there. 8. They (build) ……………..a house by June next year. 9. We (start)…………………. our plan next week. 10. I (give) …………………her your letter when I (see) ………………..her tomorrow.

Bài 4 thôi ah cần gấp trong 5p => đề: cho MN/PQ = 4/7 bt MN= 8cm. PQ =?

giúp mik nhanh nhé mik đang cần gấp

Viết lại câu nhưng nghĩa vẫn vậy : 1. I like playing badminton - I am .... 2. She loves reading books -Her ..... 3. Do you like watching TV ? Are you ..... 4. They don't enfoy skating They aren't ..... 5 . Does your father like fishing ? Is .... Nhanh hộ mình nhé !!!

IV Give the right forms of the verbs in brackets: Simple future or Simple present. 1. We'll go out when the rain (stop)……………….. 2. I (stay) …………………here until he (answer)……………….. me. 3. Wait until I (catch) ………………..you. 4. She (not come) ……………………….until you (be)…………………… ready. 5. Miss Helen (help) ……………you as soon as she (finish)……………… that letter tomorrow. 6. After the class (be) …………………..over, ask the teacher about that sentence. 7. I (come) ………………….and (see)……………….. you before I leave here. 8. We (go)………………………… home as soon as we have finished our work. 9. I (wait) ………………….here until you (come) …………………..back tomorrow. 10. I (send) ………………..you some postcards as soon as I (arrive)………………. in London.

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