a. Where does she come from ?

b.How òten do you go to the dancing club ?

c. What time does Peter go home ?

d. How much time does it take you to the there ?

e. Who are you talking ?

3

chối v có câu này mak đăng hoài

HELLO

x² - 3x + 5( x - 3 ) = 0

x ( x - 3 ) + 5 ( x - 3 ) = 0

( x - 3 ) ( x + 5 ) = 0

\(\Rightarrow\) x - 3 = 0 hoặc x + 5 = 0

1. x - 3 = 0 \(\Rightarrow\) x = 3

2. x + 5 = 0 \(\Rightarrow\) x = -5

Vậy x = 3 ; x = -5