Question

tìm x sao cho

1)1-2x<7

2) (x-1)(x-2)>0

3)(x-2)²(x+1)(x-4)<0

4)5/x <1

5) x²(x-3)/x-9<0

Answer 1

1

2

3

4

5

Answer 2

588 nha Minh Châu

Answer 3

1

2

3

4

5