x⁶+x²+2=(х^2+1)(х^4-х^2+2)
a³ + b³ = (a + b)(a² - ab + b²)
x^6 + x^2 + 2 = x^6 + 1 + x^2 + 1 = (x^2)^3 + 1 + x^2 + 1 = (x^2 + 1)(x^4 - x^2 + 1) + x^2 + 1 = (x^2 + 1)(x^4 - x^2 + 2)
