1.D

2.C

3.A

4.C

5.C

6.B

7.C

8.D

9.A

10.B

wouldn't park / knew
 

\(x^2-6x+9-36y^2\\ =\left(x-3\right)^2-\left(6y\right)^2\\ =\left(x-3-6y\right)\left(x-3+6y\right)\)

1. too

2. either

3. either

4. too

5. too

1. fishing

2. swimming

3. eating

4. to live/ living

5. watching

6. meeting

7. going

8. listening

ĐK: x khác 5

\(\dfrac{x+1}{x-5}=\dfrac{4}{7}\\ =>7\left(x+1\right)=4\left(x-5\right)\\ < =>7x+7=4x-20\\ < =>3x=-27\\ < =>x=-9\left(tm\right)\)

\(3\left(x+1\right)>0\\ < =>x+1>0\\ < =>x>-1\)

Giặc dốt, giặc đói và giặc ngoại xâm