Ответ:
[tex] {x}^{2} (x + 2) + 3(x + 2) = 0 \\ (x + 2)(x {}^{2} + 3) = 0 \\ x + 2 = 0 \\ {x}^{2} + 3 = 0 \\ x = - 2[/tex]
х^2+3=0 не имеет решений
х= -2
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Ответ:
[tex] {x}^{2} (x + 2) + 3(x + 2) = 0 \\ (x + 2)(x {}^{2} + 3) = 0 \\ x + 2 = 0 \\ {x}^{2} + 3 = 0 \\ x = - 2[/tex]
х^2+3=0 не имеет решений
х= -2