giải pt:

(2x-3)²+(x+1)²=3x(x-2)

giải pt:

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

giải pt:

(2x+3)²+(x+1)²=3x(x-2)

1.(Luck)__________, he has just had an accident.

2. I'm afraid it will be ( convenience)___________________for you to see him tomorrow .

3. She looks (attract ) _____________in her new coat.

1.Your shirt is rather white in ( compare)________with his.

2. Is there any (necessary )________________to treat her so badly?

3. She (regular)____________ gets letters from people who have read her novels.