Giải các phương trình sau : c) ( x+1)(x+9)=(x+3)(x+5) d) (3x+5)(2x+1)=(6x-2)(x-3)

Các câu hỏi liên quan

II. Complete each sentence with one of these verbs: ​Answer ​apply​ be​ listen make​see​try​use​wash​ work ​ write 41. He tried to avoid …………………………………… my question. 42. Could you please stop……………………………… so much noise ? 43. I enjoy………………………………………to music. 44. I considered……………………………for the job but in the end I decided against it. 45. Have you finished………………………………your hair yet ? 46. If you walk into the road without looking, you risk ……………………………. knocked down. 47. Jim is 65 but he isn’t going to retire yet. He wants to carry on…………………………………. 48. I don’t mind you…………………………the phone as long as you pay for all your calls. 49. Hello ! Fancy………………………….you here ! What a surprise ! 50. I’ve put off…………………………..the letter so many times. I really must do it today. 51. What a stupid thing to do ! Can you imagine anybody………………………..so stupid ? 52. Sarah gave up………………………………to find a job in this country and decided to go abroad. IV. Build a complete sentence with the given words 79. I/look forward/receive/letter/ now.=>…………………………………………… 80. we/not mind/wait/more minutes.=>…………………………………………………… 81. children/busy/collect/shells/beach.=>…………………………………………………………… 82. He/ask/us/help/him/do/thewashing up/yesterday. =>…………………………………………………………… 83. Her mother/force/her/marry/to that man.=>……………………………………………………………