1. 9х(х+2)=0
9х=0. Х+2=0
Х=о. Х=-2
2. Х(6х-7)=0
Х=0. 6х-7=0
6х=7
Х=7/6
3. Х(-3х+5)=0
Х=0 - 3х+5=0
- 3х=-5
Х=5/3
1. 9х(х+2)=0
9х=0. Х+2=0
Х=о. Х=-2
2. Х(6х-7)=0
Х=0. 6х-7=0
6х=7
Х=7/6
3. Х(-3х+5)=0
Х=0 - 3х+5=0
- 3х=-5
Х=5/3