[tex]x(6x - 12)(21 + 7x) = 0[/tex]
[tex]x = 0[/tex]
[tex]6x - 12 = 0[/tex]
[tex]21 + 7x = 0[/tex]
[tex]x = 2[/tex]
[tex]x = - 3[/tex]
[tex]x_ 1 = - 3,x_ 2 = 0,x_ 3 = 2[/tex]
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[tex]x(6x - 12)(21 + 7x) = 0[/tex]
[tex]x = 0[/tex]
[tex]6x - 12 = 0[/tex]
[tex]21 + 7x = 0[/tex]
[tex]x = 0[/tex]
[tex]x = 2[/tex]
[tex]x = - 3[/tex]
Ответ:
[tex]x_ 1 = - 3,x_ 2 = 0,x_ 3 = 2[/tex]