Một khu vườn hình chữ nhật có chu vi là 156m và chiều dài lớn hơn chiều rộng là 6m. Tính diện tích khu vườn

\(\frac{x}{3}-\frac{x}{15}=\frac{1}{6}\)

a)5x(x - 4) - 5x² = 2(11 - x)

b)\(\frac{3}{x-3}-\frac{2}{x+3}=\frac{4x}{x^2-9}\)

PRACTICE

Combine the two sentences into one, using PRESENT PARTICIPLE or
PAST PARTICIPLE.

1. There’s a girl. She is crying over there.
->..................................................................................................................................
2. Most of the people were old friends. They were invited to the reception.
->..............................................................................................................................
3. Who’s the man? He is dancing with your sister.
-> .................................................................................................................................
4. My family is living in a house. The house was built in 2004.
-> .................................................................................................................................
5. A new factory has just opened in our town. It employs more than 200 workers.
-> .................................................................................................................................
6. Do you know the woman? The woman is talking to Tom.
-> .................................................................................................................................
7. The window has been repaired. It was broken last night
-> .................................................................................................................................
8. A bridge has been declared unsafe. It was built only 2 years ago.
->..................................................................................................................................
9. “Romeo and Juliette” is the best tragedy I’ve ever seen. It was written by
Shakespeare.
->.................................................................................................................................
10. The road is very narrow. It joins the two villages.
->.................................................................................................................................

P/S: Giúp tui với mn ơi T^T

3x(5x + 8) - 4x = 15x² + 20x