[(x-2)^2-x(2x-4)-(x^2-4)]:(2-x)

Giúp mình với

Rút gọn biểu thức

A= x(x - 1)(x+1)-(x+1)³

Rút gọn biểu thức

A= x(x - 1)(x+1)-(x+1)³

B= (2x+3)(4x²-6x+9)-2(4x³-1)

C= (4x-1)³-(4x-3)(16x²+3)

I. Rephrase the following using the infinitive or the –ing form, as in the example.
~ You have to eat your carrots.

I want ...you to eat your carrots...
1. I must exercise more often.

I want ..........................................................................
2. She has to take her medicine every day.

The doctor wants ........................................................
3. I saw him give you the letter.

I remember .................................................................
4. He has to talk to me politely.

I want ..........................................................................
5. I mustn’t go to bed late.

I don’t want .................................................................
6. We visited Sue last weekend.

I remember ..................................................................
7. Sarah sang that song last week.

I remember ..................................................................