1) x²(x²-1)-3x(x²-1)=0
(x²-1)(x²-3x)=0
x²-1=0 и x(x-3)=0
x1,2= ±1
x 3 =0
x 4=3.
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1) x²(x²-1)-3x(x²-1)=0
(x²-1)(x²-3x)=0
x²-1=0 и x(x-3)=0
x1,2= ±1
x 3 =0
x 4=3.