Giải phương trình sau:

3x-2/3 - 2-3x/12 - x - 1 = 2x-3/2 - x-3/6 -2x -1

( x+3/x-3 - x-3/x+3) : 3x/x^2-9

GIải phương trình: $3x^2-4x=2x+1$

Giải các phương trình sau:

$$\begin{gathered} a) \frac{1}{2}x - 3x-\frac{2}{5} = 2x-\frac{1}{3} - x-\frac{3}{5} \\ b) 2x-\frac{1}{3} - (x-1) = \frac{1}{2}x - 3-\frac{2x}{5} \end{gathered}$$

I have difficulty communicating with my new classmates

=> I find..........................

Tìm và sửa lỗi sai, giải thích 

   In my family, children has to get permission before leaving the dining table

Tìm x:

$a\left)3x\right(x-2)-(x-2{)}^2=0$

$b)2x-\frac{1}{x^2}-9+\frac{3}{x}+3=0$

 Ông An muốn lát gạch một cái sân hình chữ nhật có kích thước là 5m và 12m.

a/ Hỏi ông An cần bao nhiêu viên gạ Biết rằng mỗi viên gạch hình vuông có kích thước là 40cm.

b/ Tiền gạch là 40 000 đồng/viên và tiền công là 100 000 đồng/m. Hỏi ông An phải trả tổng cộng hết bao nhiêu tiền để lát sân gạch?

Phân tích đa thức thành nhân tử:

$x^2+6x+9-y^2$

I have diifficulty communicating with my neww classmates

=> I find...................................................................................................

Success depends on hard work

=> The harder..................................

They failed to find out a solution to the problem (succeed)

=> They didn't....................................................................

You don't have to drive so fast (need)

=> There.........................to drive so fast

there were more students in school in 2012 than in 2013 (as)

=> There were...............................in school in 2012 as in 2013

Tìm x:

$3x^2-3x(x+2)=18$

a) tính khối lượng nguyên tố N có trong 30kg đạm Urê (  $CO{\left(N{H}_2\right)}_2$   )

b) cần lấy bao nhiêu kg đạm Urê để bón cho 1 sào ruộng để có được 2kg nguyên tố N

GIÚP MK VỚI, MK ĐANG CẦN GẤP, MONG MN GIÚP Ạ

thực hiện phép tính:

a) $3x/4x^2-1+2x-1/2x+1$

b)$1/x^2-16-1/x+4$

Mình đang cần gấp, mong mn giúp

Tìm x, biết:

a) $3x(x-2)-(x-2{)}^2=0$

b) $2x-1/x^2-9+3/x+3=0$

mk đang cần gấp, mong mn giúp

1. Is he .......... to break the customs of her family? (permission)

2. Today, we are going to discuss the .......... of tra***ions.(necessary)

3. The offspring will follow the customs without ........... (oblige)

4. My dad is the .......... of this wedding anniversary party.(hostess)

5. Do you have to follow the tra***ions .......... ? (strict)

6. Ao dai is one of the .......... items of Vietnam. ( tra***ion )

7. She was taught a lot .......... skills by my parents.(society)

8. In some ethnic groups, the elderly .......their next generations to accept the customs.(obligation)

9. I have learned several........ lessons from the folk tales. (morally)

10. We were impressed by the ........ of Ha ***g Bay. (beautiful)

1. Is he.......to break the customs of her family? (permission)

2. Today, we are going to discuss the.......of tra***ions.(necessary)

3. The offspring will follow the customs without....... (oblige)

4. My dad is the.......of this wedding anniversary party.(hostess)

5. Do you have to follow the tra***ions.......? (strict)

6. Ao dai is one of the...... items of Vietnam. (tra***ion)

7. She was taught a lot.......skills by my parents.(society)

8. In some ethnic groups, the elderly.......their next generations to accept the customs.(obligation)

9. I have learned several....... lessons from the folk tales. (morally)

10. We were impressed by the....... of Ha ***g Bay. (beautiful)

1. Is he .......... to break the customs of her family? (permission)

2. Today, we are going to discuss the .......... of tra***ions.(necessary)

3. The offspring will follow the customs without ........... (oblige)

4. My dad is the .......... of this wedding anniversary party.(hostess)

5. Do you have to follow the tra***ions .......... ? (strict)

6. Ao dai is one of the .......... items of Vietnam. (tra***ion)

7. She was taught a lot .......... skills by my parents.(society)

8. In some ethnic groups, the elderly .......their next generations to accept the customs.(obligation)

9. I have learned several........ lessons from the folk tales. (morally)

10. We were impressed by the ........ of Ha ***g Bay. (beautiful)

Tìm x, biết:

a) (x+1)^2 - (x+1)=0

b) (3x-1)^3 + 8=0

c) (x+3)^2 - (2x-1)^2=0

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

Mk đang cần gấp lắm ạ