Решить уравнение! 1.(x-2)^3-3x^2-4=(x-3)^3 2.(x+3)^3=x^2 (x+9)

1.
(x - 2)^3 - 3x^2 - 4 = (x-3)^3
x^3 - 6x^2 + 12x - 8 - 3x^2 - 4 = x^3 - 9x^2 + 27x - 27
15x = 15
x = 1

2.
(x+3)^3=x^2 (x+9)
x^3 + 9x^2 + 27x + 27 = x^3 + 9x^2
27x = 27
x = 1