1)(x+3)^2-4=0
(x+3)^2=4
x+3=2; x1=-1
x+3=-2; x2=-5
2)(x-7)^2-16=0
(x-7)^2=16
x-7=4; x1=11
x-7=-4; x2=3
3)(x+8)^2+1=0
(x+8)^2=-1-нет решений
4)(x+9)^2-100=0
(x+9)^2=100
x+9=10; x1=1
x+9=-10; x2=-19
5)(x-10)^2+2=0
(x-10)^2=-2-нет решений
6)(x-√7)^2-5=0
(x-√7)^2=5
x-√7=√5; x1=√7+√5
x-√7=-√5; x2=√7-√5
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Answers & Comments
1)(x+3)^2-4=0
(x+3)^2=4
x+3=2; x1=-1
x+3=-2; x2=-5
2)(x-7)^2-16=0
(x-7)^2=16
x-7=4; x1=11
x-7=-4; x2=3
3)(x+8)^2+1=0
(x+8)^2=-1-нет решений
4)(x+9)^2-100=0
(x+9)^2=100
x+9=10; x1=1
x+9=-10; x2=-19
5)(x-10)^2+2=0
(x-10)^2=-2-нет решений
6)(x-√7)^2-5=0
(x-√7)^2=5
x-√7=√5; x1=√7+√5
x-√7=-√5; x2=√7-√5