Question

X³+4x²-9x-36=0
Решите

Answer 1

[Решение в приложении]

Answer 2

$x {}^{2} + 4x {}^{2} - 9x - 36 = 0 \ x {}^{2} times ( times + 4) - 9(x + 4) = 0 \ (x {}^{2} - 9) times (x + 4) = 0 \ x {}^{2} - 9 = 0 \ x + 4 = 0 \ x = 3 \ x = - 3 \ x = - 4$
Окончательный ответ
х1=-4,
х2=-3,
х3=3