phân tích →nhân tử

a) x³ + 4x² + 4x

b) x² + x - 6

c) x² + x - 12

d) x² + 3x - 10

e) 4x³ + 12x² + 9x

f) 4a² - 4b² - 4a + 1

giúp mình nhanh với ạ đang gấp lắmmm

1. Its a pity I can’t play the guitar well

I wish

 2. My mother spend three hours making the dress

It took

3. We haven't been to the concert for over a year.

The last time

4. Reading newspapers in the morning gives him pleasure

He enjoys

5. We last saw our grandfather two years ago.

We haven’t

6 You can make payment at any post office

Payment

7. The president presented the trouphy to the winner

The trouphy

8 He hasn't been back to his home town for 10 year

It is

giúp mình gấp với ạ

1. Its a pity I can’t play the guitar well

I wish

 2. My mother spend three hours making the dress

It took

3. We haven't been to the concert for over a year.

The last time

4. Reading newspapers in the morning gives him pleasure

He enjoys

5. We last saw our grandfather two years ago.

We haven’t

6 You can make payment at any post office

Payment

7. The president presented the trouphy to the winner

The trouphy

8 He hasn't been back to his home town for 10 year

It is

giúp mình gấp với ạ

Cho nguyên tử X có tổng số hạt là 34. Trong đó số hạt mang điện gấp 1,8333 lần số hạt ko mang điện. Tìm số p, n, e của nguyên tử Giúp vs ạ

Nguyên tử A có tổng số hạt (p, n, e) là 40. Trong đó số hạt mang điện nhiều hơn số hạt không mang điện là 12. Tìm số p, n, e Giúp mình nhanh đc ko ạ

Động từ vừa đi với to vinfinitive và Ving

1. We reget................ ( inform ) you that we are unable to accept your petition.

2. There's too much noise. Can you all stop ............... ( talk ), please?

3. we stopped ................ ( rest ) after a long walk

4. Spending all the money today means ........... ( starve ) tomorow

5. sorry, I didn't mean ..................... ( interput ) you. But it was an emergency

giúp mình nhanh đc ko ạ

Phân tích → nhân tử 

a) 9 - x² - 2xy + y²

b) x⁴ - 4x²

c) x² + x - 42

Tìm x 

a) ( x + 2 )² - ( x - 5 ) ( x + 5 ) = 4

b) x ( x - 4 ) - ( x - 7 )² = 3

c) ( x - 6 ) ( x + 6 ) - ( x + 3 ) ( x - 5 ) = 7

giúp mình nhanh đc ko ạ

1 It's a pity I can't go out with you

I would like.............

2 If you've got a car, you are able to travel around more easily

It's easier.........

giúp mình nhanh đc ko ạ mình cần gấp 

tìm x biết:

a) ( x - 8 ) ( x + 2 ) - ( x - 3 )² = 2

b) ( x - 5 ) ( x + 5 ) - x ( x + 1 ) = x - 3

c) ( x + 4 )² - ( x - 3 )² = 0

d) 2x ( x - 5 ) + 10 - 2x = 0