Ответ:
x^4-6x^2+9=0
(x^2-3)^2=0
x^2-3=0
x^2=3
x=±√3
x1=-√3
x2=√3
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Ответ:
x^4-6x^2+9=0
(x^2-3)^2=0
x^2-3=0
x^2=3
x=±√3
x1=-√3
x2=√3