1) √x=0.2
(√х)^2=0,2^2
Х=0,04
2)7√x=14
√х=14:7
√х=2
(√х)^2=2^2
Х=4
3)√(x+6)=0
х+6=0
Х=-6
4)4-3√x=0
3√х=4
√х=4/3
(√х)^2=(4/3)^2
Х=16/9
1) √x=0.2
(√х)^2=0,2^2
Х=0,04
2)7√x=14
√х=14:7
√х=2
(√х)^2=2^2
Х=4
3)√(x+6)=0
х+6=0
Х=-6
4)4-3√x=0
3√х=4
√х=4/3
(√х)^2=(4/3)^2
Х=16/9