1) (x-3)(x+3)=0 otvet 3;-3
2) (y-2)(y+2)=0 y1=2 y2=-2
3) (11-x)(11+x)=0 otvet 11 and -11
(1,4-y)(1,4+y)=0 otvet 1,4 and -1,4
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1) (x-3)(x+3)=0 otvet 3;-3
2) (y-2)(y+2)=0 y1=2 y2=-2
3) (11-x)(11+x)=0 otvet 11 and -11
(1,4-y)(1,4+y)=0 otvet 1,4 and -1,4