Cho phương trình -mx^3 + x^2 - 2x + 8m = 0. Tìm m để phương trình có 3 nghiệm phân biệt > -2

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làm ơn cứu dỗi tâm hồn e ms T.T 20. “ Where can we leave our coats?” They said. …………………………………………………………………………………………………………… 21. “Why did you invite them to go sight – seeing on foot? ” Victor asked his brother. …………………………………………………………………………………………………………… 22. “Who took part in your excursion to the City?” I asked the children. …………………………………………………………………………………………………………… 23. “How did you enjoy the play?” Rose said to her boyfriend. …………………………………………………………………………………………………………… 24. “What are you planning to do tomorrow?” Tom asked the Browns. …………………………………………………………………………………………………………… 25. “Where did you spend your childhood?” He said. …………………………………………………………………………………………………………… * REPORTED SPEECH WITH INFINITIVE “ to + V ” 1. “Lan, can you remember to buy some bread?” Minh reminded………………………………………………… 2. “ I really think you should see a doctor, Chi” said Binh Binh advised…………………………………………………… 3. “No, I’m sorry, I won’t work on Saturday. Definitely not” said Ann Ann refused……………………………………………………… 4. “Yes, all right, I’ll share the bill with you, Mai” said Kim Kim agreed……………………………………………………… 5. “Carol, speak English,” he said He told…………………………… 6. “Fill in the form, sir” the receptionist said to the guest. The receptionist asked……………………………….. 7. “Sign on the dotted line” the postman said to me. The postman ordered……………………………… 8. Allen said, “I’d like you to visit my house” said Allen Allen wanted………………………………………… 9. “Don’t forget to post the letter for me when you go out” my wife said. My wife reminded……………………………………………………………………… 10. “Please come to our wedding,” John said to his boss. John invited…………………………………………… 11. “ Remember to turn off the lights before going out” He said to us -> He reminded……………………………………………………………………………………………. 12. " If I were you, I would lend him some money" said Nga -> Nga advised.............................................................................................................................................. 13. “ Don’t play with the matches. They’re dangerous!” The teacher told the children ->The teacher warned…………………………………………………………………………………. 14. “ If you can’t find anyone else, I’’ll drive you to the airport ” He said to Mary He offered……………………………………………………………………………………………… 15. “ We’ll come back again.”  They promised………………………………………………………………………………………