Cho mik xin ảnh đôi đi

tìm nghiệm của đa thức

a) x^2 - 7x

b) x^2+7x

c) 6x^2-7x+1

d)5x^2+8x+3

tính

A=|x-5|-2

B=(2x-3)^2+2

C=(x^2-9)^4+|y-2|

giúp mk đi mai nộp rồi

1, i go to the library once a week

2, i watch televison after i doing homework

3,i will buy a dress for my mother's birthday

4,i go to school by bike everyday

1.be quiet! the nurse is taking care of sick people

2.she usually helps her mom to do the housework after school

3.would you like to listen to music

4.in his free time, he often practices speaking English with his friends

có bạn nào nghe bài màu nước mắt chưa