phân tích đa thức thành nhân tử: x^3-19x-30

4. Although she is tired, she still goes to school. Tired .............…………………………………………………………………. 6. The girl is a student. She dances very beautifully. The girl who ......................................................................................................... 7. The woman is a teacher. Her son is very naughty. The woman whose ................................................................................................. 8. I wasn’t given a gift until yesterday. It was not until.................................................................................................................. 9. If it doesn’t rain, our crop won’t be good. Unless ...................................................................................................................... 10. Although his leg was broken, he managed to get out of the car. In spite of ................................................................................................................ 11. People say he will be a good student next year. He......................................................................................................................... 12.He didn’t study hard last year so He didn’t pass the exam If............................................................................................................................. 13. Jane has sold the old car. She was given it by her father( RELATIVE CLAUSE). …………………………………………………………………………………….

1)Phân thức thành nhân tử C=(2x+3)^2-(x^2-6x+9) D=x^2-16y^2+5x+20y

Giải giúp em với nhé Nhanh lên

Giúp tui câu 2 với câu 4 đc hongg:<<

it was stolen in the___ last week ( điền 1 từ có 7 chữ, 3 âm tiết (?)

phân tích đa thức thành nhân tử: x^3-19x-30

Vẽ đồ thị hàm số và lập bảng biến thiên a. y=3x+1 b. y=|3x| c. y= |3x| - 1 Giúp em với ạ :((((

Giúp mình với trước 1 giờ chiều nay ăn

The smoke from factories will pollute the air >The Air