A = (x + 2)x² - 2x + 4 - x³ + 2
= (x.x² + 2.x²) - 2x + 4 - x³ + 2
= x³ + 2x² - 2x + 4 - x³ + 2
= (x³ - x³) + 2x² - 2x + (4 + 2)
= 2x² - 2x + 6
Chúc bạn học tốt
Question 31. I like playing outside better than staying at home. A. I prefer playing outside than staying at home. B. I prefer playing outside better than staying at home. C. I prefer playing outside better to staying at home. D. I prefer playing outside to staying at home. Question 32. What does Lan collect glass bottles for? A. Why does Lan collect glass bottles for? B. Why does Lan collect glass bottles? C. When does Lan collect glass bottles for? D. Which does Lan collect glass bottles for? Question 33. Mai is really interested in building sand castles when she is on the beach. A. Mai really fond of building sand castles when she is on the beach. B. Mai is really interested building sand castles when she is on the beach. C. Mai is really fond of building sand castles when she is on the beach. D. Mai is really fond in building sand castles when she is on the beach. Question 34. Making craft is more interesting than collecting stamps. A. Making craft is as interesting than collecting stamps. B. Making craft is less interesting than collecting stamps. C. Collecting stamps is as interesting than making craft. D. Collecting stamps is less interesting than making craft. Question 35. Do/ think/ spending/ you/ much/ too/ time/ is/ the/ on/ Internet/ harmful? A. Do you think spending too much time on the Internet is harmful? B. Do you on the Internet is harmful think spending time too much? C. Do you think spending on the Internet too much time is harmful? D. Do you think spending too much time is harmful on the Internet? Question 36. My friend/ never/ ride/ horse/ before. A. My friend never ridden a horse before. B. My friend never rode a horse before. C. My friend has never ridden a horse before. D. My friend had never ridden a horse before. Question 37. This country is so multicultural that many tourists visit it. A. Many tourists visit this country although it’s multicultural. B. Many tourists visit this country but it’s multicultural. C. Many tourists visit this country so it’s multicultural. D. Many tourists visit this country because it’s multicultural. Question 38. City/ children/ have/ more/ interesting life/ country ones. A. City children have more interesting life than country ones. B. City children have more interesting life country ones. C. City children has more interesting life than country ones. D. City children has more interesting life country ones. Question 39. Ping/ not/ mind/ do/ a lot of/ homework/ in the evenings. A. Ping doesn’t mind to do a lot of homework in the evenings. B. Ping didn’t mind to do a lot of homework in the evenings. C. Ping didn’t mind doing a lot of homework in the evenings. D. Ping doesn’t mind doing a lot of homework in the evenings. Question 40. Hoa/ most/ beautiful/ person/ my class. A. Hoa is most beautiful person in my class. B. Hoa is the most beautiful person my class. C. Hoa the most beautiful person in my class. D. Hoa is the most beautiful person in my class.
Viết đoạn văn ghi lại cảm xúc về một bài thơ có yếu tố tự sự và miêu tả
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