решить уравнение x(x²+6x+9)=-2(x+3)​

x (x + 3)^2 = 4 (x + 3)

x (x+ 3) (x+ 3) - 4 (x+ 3) = 0

(x + 3) ( x(x + 3) - 4) = 0

(x + 3) ( x^2 + 3x - 4) = 0

(x + 3) ( x + 4) (x - 1) = 0

x = - 3

x = - 4

x = 1