a. (x2 − 2x +1)(x2 − 5x +4) = 0 b. x3+3x2 − 2x − 6 = 0 c. (x − 2)2 − 4(4x +3)2 = 0 d. (x2+2x − 5)2 = (x2 − x +5)2 e. (x2 − x)2 − 8(x2 − x)+12 = 0 f. 3(x2+1)2 − 2(x2+1) = x2

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V. Read the text and tick true or false: London is the biggest city in Britain. More than 7 million people live and work there. It is one of the most important cities in the world. It is a centre for business and for tourism. London consists of three parts: The City of London, the East End and the West End. In the City of London there are many banks, offices and Stock Exchange. In the West End we can see many historical places, parks, shops and theatres. It is the world of rich people and money. The East End is the district where working people live and work. The Port of London is also there. You can have a very good time in this city. You can visit different cinemas, theatres and museums. The “Odeon” is one of the most famous cinemas of the country. The most famous museums are: The British Museum and the Tate Gallery. There are many shops in London. Oxford street is London’s main shopping centre. People from all over the world buy clothes, shoes, toys and souvenirs there. The street is more than a mile long. The best known departments are Selfridges and John Lewis. The largest park in London is Hyde Park with its Speaker’s Corner. Sit on the green grass and try England’s favourite food - fish and chips. T F 1.There are lots of theatres, parks and historical places in the City of London. 2.The Port of London is in the East End of London. 3.Working people live and work in the West End of London. 4.The “Odeon” is a famous museum in London. 5.People go to Oxford street to buy clothes and souvenirs. 6.People from all over the world don’t buy clothes, shoes, toys and souvenirs in London

Bài 12. Simple Past: 1. She (spend) ____ all her money last week. 2. Mum (not spend) ___________ any money on herself. 3. I (lend) __________ my penknife to someone, but I can't remember who it was now. 4. John and his father (build) ___________ the cabin themselves last year. 5. My parents (sell) ____________ the stereo at a garage sale. 6. ___________You (tell) ___________ anyone about this yesterday? 7. The unidentified plant (bear) ___________ gorgeous flowers. 8. She (tear) ___________ the letter to pieces and threw it in the bin. 9. He often (wear) ___________ glasses for reading. 10. Before God He (swear) ___________ he was innocent. 11. Yesterday Clouds (creep) ___________ across the horizon, just above the line of trees. 12. We both (sleep) ___________ badly that night. 13. She (weep) ___________ for the loss of her mother. 14. Jane (keep) ___________ the engine running. 15. A huge wave (sweep) ___________ over the deck. 16. Mum (pay) ___________ for my driving lessons. 17. He (lay) ___________ his hand on my shoulder. 18. He (break) ___________ the biscuit in half and handed one piece to me. 19. He (choose) ___________ his words carefully as he (speak) ___________. 20. He …………………to the zoo last Sunday (go) 21. She (not /watch)………………………………TV last night. 22. They (meet)…………………………their friends at the movie theater last week. 23. What……………you (do)…………………last night. 24. ……………………… they (buy)…………………a new car two days ago? 25. We ………….. (have) a lot of homework yesterday.