(x-2)^3+(x+2)^3=2x(x^2-1)+3
Х^3 - 6х^2 + 12х - 8 + х^3 + 6х^2 + 12х + 8 = 2х^3 - 2х + 3 2х^3 + 24х - 2х^3 + 2х = 3 26х = 3 х = 3/26