1. Would/ mind / If / sit / next / you ? => ............................. 2. The man / talk / to / our teacher / be / Nam's father => .............................

 1. Do you mind if I ( use )...... your phone

1. Giải phương trình : 
a) ( x - 3 )² = 4

b) x²( x² + 1 ) = 0

c) ( 3x - 5 )² - ( x - 1 )² = 0

d) ( x² - 1)( 2x - 1 ) = ( x² - 1 )( x + 3 )