2ч4-4х2=0 помогите пож.та
2x^4-4x^2=0
2x^2(x^2-2)=0
2x^2=0 или x^2-2=0
x=0 x^2=2
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2x^4-4x^2=0
2x^2(x^2-2)=0
2x^2=0 или x^2-2=0
x=0 x^2=2