`3x^2 - 8x + 4`

`= 3x^2 - 6x - 2x + 4`

`= ( 3x^2 - 6x) - (2x - 4)`

`= 3x(x - 2) - 2(x-2)`

`= (3x - 2)(x-2)`

chia ra đc ko bạn?

harvest

Does Uyen take - goes

writes 

I reuse plastic bottle, paper, can, box....

2. plastic bottle

3. can

4 glass jar

5. plastic bag

If he had  not studied for his exam, he could go out

If she were not lazy, she could pass the exam

If I had eaten lunch, I would not felt hungry now

Unless they invite me, I won't come

Unless you don't leave me alone, I will call the police

Is this my school

Thu's house is small

There are nine hundred students in the school

The book is in a desk

My classroom is on the second floor

Do you do the housework everyday?

I have classes from a quarter to seven to eleven.

I go to bed at ten o'clock

we have history on Tuesday

Does Lan have Maths on Friday?

dangerous

1. library

2. movie theater

3. the post office 

4. train station

5. the bus station

6. hospital