Giải phương trình nghiệm nguyên ạ

Tìm x: 3) 3x(x – 2) – x(1 + 3x) = 14 4) x^3= 9x

EX7:Rewrite the sentences using the works in brackets 8,We plan to buy a ticket for the drawing although we know we will not win a prize(EVEN THOUGH) 9,In spite of the high price,my daughters insitst on going tho the movies every Saturday(EVEN THOUGH) 10,He ate the chocolate cake even though he is on a diet(IN SPITE OF)

Choose the correct word A, B, C or D for each gap to complete the form with passage. My parents are Farmers. They work very (1)_________ on the paddy field. They usually get (2)______ very early in the morning. After (3)_______ breakfast, they feed the buffaloes, pigs, chicken, ducks and they (4)_________ the eggs. From about eight, they work on the fields. They (5)_________ rice but their main (6)_______ is vegetables. From eleven thirty, they rest and have lunch. They continue to work until five in the afternoon then they come back home. My mother (7)________ the animals again while my father (8)________ the buffalo shed and the chicken coop. They usually finish their work at about six thirty. Twice a week, my mother (9)_______ the vegetables and eggs to the town market to sell them then she often buys the things we need for our daily life. She also (10)_______ me a small present each time. 1. A.hard B. hardly. C. harder D. hardest 2. A.on. B. off C.up D.in 3.A. to have. B.having. C.have. D.had 4.A. take. B. see. C. have. D.collect 5.A. plant. B.water. C.grow. D.cut 6. A.period. B.crop. C.time. D.harvest 7.A. leads. B. feeds. C. gives. D. calls 8.A. cleans. B. washes. C.polishes. D. clears 9.A. makes. B. takes. C.carriesn. D.brings 10.A. buying. B. buys. C.to buy. D.bough giúp nhanh với , mk đang cần gấppppp

Cho phương trình: x^2 - 2(m+1)x + 2m = 0 Tìm m để phương trình có 2 nghiệm phân biệt x1, x2 là tọa độ 2 cạnh của HCN có đường chéo = căn12

a) {3x-7}/{2}+{x+1}/{3}=-16 b) {2x-3}/{3}-{x-3}/{6}={4x+3}/{5}-17

giúp em ạ

cho mình hỏi sao từ sin đổi qua được cos v ạ mình cảm ơn

Mn ơi tớ đang cần gấp, tớ cảm ơn trước ạ

Mn ơi, nếu lỡ tay làm rớt cái máy tính zô vũng nước, hồ nước,..vv Thì dữ liệu bên trong có bị mất khum ạ? Cám ơn mn