Ответ:
0; 2; -2
x3 - 4x = 0
x(x2 - 4) = 0
x = 0 или x2 - 4 = 0
x2 = 4
x = 2; -2
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Ответ:
0; 2; -2
x3 - 4x = 0
x(x2 - 4) = 0
x = 0 или x2 - 4 = 0
x2 = 4
x = 2; -2