Ребят, решите пожалуйста эти задание мне это сейчас очень нужно, сам ничего не понимаю, спасибо
1- (6a-1)(6a+1)=4a(9a+2)-1
2- (2x+1)²-4x²=9
3- (3x-1)²-9x²=10
4- (2x-3)²=9+4(x-3)(x+3)
5- (x-5)²=5x²-(2x-1)(2x+1)
6- (3x+2)(3x-2)-32=9(x-2)²

Поставьте глаголы в скобках в правильную форму, Past Simple или Past Continuous.

 While I   ______  (come) to work this morning, I  _____  (meet) an old friend.

I  _____  (not want) to get up this morning. It  ____  (rain)  and it was cold, and my bed was so warm.

I  _______  (listen) to the news on the radio when the phone  ______  (ring).

But when I _____ (pick) up the phone, there was no one there.

I said «Hello» to the children, but they did not say anything because they _____ (watch) TV.

Дополните диалог следующими словами: a  any  many  much  some  the

1. We need to make some pizzas for the party. Have we got  ____  mushrooms?

2. No, we have not. But we’ve got  ____  tomatoes.

3. Really? How  ____  tomatoes have we got?

4. About five. Is that enough?

5. Not really. Is there  _____  supermarket near here?

6. Yes, there is.  It is on West Street. And it’s open in  _____  evening.

7. Great! How  _____  money have you got?

8. I’ve only got 2 pounds. Oh dear!

№3. Раскройте скобки, употребляя глаголы в Present Continuous.
1. Не (to read) ............. a book now.
2. She (to do) ............. her home work.
3. My mother (to sit) ...........at the table now.
4. I still (to write) .............. a letter.
5. They (to play) .............. football.
6. It (to snow) ............... now.
7. We (to have) ................ dinner now.
8. It still (to rain)............... .
9. Why .............. you (to talk)?
10. The girl (to draw).............. a picture at the moment.