2).x*(x^2-12x+27)=0
x*(x^2-3x-9x+27)=0
x*(x*(x-3)-9(x-3))=0
x*(x-3)*(x-9)=0
x1=0
x2=3
x3=9
3). x^2+x-6/x-1=0
x^2+x-6=0
x^2+3x-2x-6=0
x*(x+3)-2(x+3)=0
(x+3)*(x-2)=0
x+3=0
x-2=0
x1=-3
x2=2
Объяснение:
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Answers & Comments
2).x*(x^2-12x+27)=0
x*(x^2-3x-9x+27)=0
x*(x*(x-3)-9(x-3))=0
x*(x-3)*(x-9)=0
x1=0
x2=3
x3=9
3). x^2+x-6/x-1=0
x^2+x-6=0
x^2+3x-2x-6=0
x*(x+3)-2(x+3)=0
(x+3)*(x-2)=0
x+3=0
x-2=0
x1=-3
x2=2
Объяснение: