chỉ mk với ,thực hiện phép tính 2(3x-1)(2x+5)-(4x-1)(3x-2)

Các câu hỏi liên quan

Complete the following passage with an appropriate form of the word in BLOCK CAPITAL. Write your answer in the numbered box below Gym and exercise class membership is big business that is worth billions. (0)-FORTUNE__Unfortunately_____________, despite their good (1)INTEND_______________, many people who join these pay the money without going regularly or give up soon after joining. There are several reasons for this but there are aslo solutions A possible reason for the situation is that people often have (2)REAL_______________, expectations. They either expect to go too often or to see results more quickly than is realistic. Another reason is that some people are not motivated by this type of exercise. The constant (3)¬REPEAT_______________ of exercises quickly becomes boring. Furthermore, a lot of people quickly get(4)COURAGE_______________by their performance. They feel they are not making progress and soon give up. There are a number of possible solutions to the problem.. Firstly, people should set goals they can achieve. For example, few people are likely to train five times a week. Aiming for two or three workouts per week would be more realistic and less likely to cause disappointment. Also, before joining a gym, people could consider other forms of exercise instead, which they may find more interesting. For example, some people are more motivated by (5)¬COMPETE_______________ sports. Moreover, the support of a gym (6)-INSTRUCTION_______________ can make a big difference. If people find they are getting bored or discouraged, they could ask their coach for an (7)¬EASY_______________ or more varied exercise programme. This would help to keep them motivated. Gyms and exercise classes are expensive and not always (8)¬MOTIVATE_______________. There are, however, simple way to help positive or longer. They will mean fewer memberships that are paid but rarely or never used