Mọi người giúp em ý 2 câu a) và câu b), c) với ạ! Cảm ơn nhiều!

a)(2X+3)^2=9/25 b)(3-X)^3=-8/27 c)X+1/2=3/8 d)X^20=25.X^18

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Một ng đi đc 3phần8 quãng đường AB thì nghe thấy tiếng còi của 1 oto với V=60km/h Nếu ng ấy chạy ngược lại thì gặp oto ở A còn nếu chạy về phía đó thì oto sẽ đuổi kịp ng ấy ở B Tisng V của ng đó

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x+1/x +1=3x-1/x+1+1/x(x+1) nhanh và chi tiết giúp mình nha

You may get hungry on the train, so take some sandwiches. ⇒ In ........................................................................................................ 20. My husband didn’t leave the car keys, so I couldn’t pick him up at the station. ⇒ If my husband ..................................................................................... 21. “I don’t think John will come,” said Bill. ⇒ Bill doubted ......................................................................................... 22. The postman was bitten by our dog. ⇒ Our dog .............................................................................................. 23. We couldn’t drive because of the fog. ⇒ The fog prevented .............................................................................. 24. Although his leg was broken he managed to get out of the car. ⇒ In spite ................................................................................................ 25. The cake was so hard that I could not eat it. ⇒ It was .................................................................................................. 26. We didn’t go because it rained. ⇒ If it hadn’t .......................................................................................... 27. I can’t cook as well as my mother does. ⇒ My mother .......................................................................................... 28. I don’t suppose you have change for a pound, do you? ⇒ Do you happen ................................................................................... 29. He failed to win the race. ⇒ He didn’t ............................................................................................. 30. Mary rang hours and hours ago. ⇒ It’s hours ............................................................................................. 31. I’m sorry that I didn’t finish my homework last night. ⇒ I wish .................................................................................................. 32. She asked John how he liked her new dress. ⇒ “How.................................................................................................... 33. A train leaves at eight o’clock every morning. ⇒ There is .............................................................................................. 34. Nobody can deny that she has a beautiful voice. ⇒ It ......................................................................................................... 35. I would like you to help me to put the chairs away. ⇒ Do you mind ....................................................................................... 36. The child will die if nobody sends for a doctor. ⇒Unless ................................................................................................ 37. He would prefer you to pay him immediately. ⇒ He’d rather .......................................................................................... 38. The water was so cold that the children could not swim in it. ⇒ The water was not .............................................................................. 39. Somebody repaired her car yesterday. ⇒ She ..................................................................................................... 40. You must see the manger tomorrow morning. ⇒ You’ve ................................................................................................ giúp emm điii

Mình đang cần rất gấp các bạn giúp mình nhé, mình cảm ơn.