X^15-64 y^9-8 a^12+27 216-t^3 k^6-1 решите 30

Х^15 - 64 = (х^5 - 4)(х^10 + 4х^5 + 16)

у^9 - 8 = (у^3 - 2)(у^6 + 2у^3 + 4)

а^12 + 27 = (а^4 + 3)(а^4 - 3а^2 + 3)(а^4 + 3а^2 + 3)

216 - t^3 = 6^3 - t^3 = (6-t)(36 + 6t + t^2)

k^6 - 1 = k^6 - 1^6 = (k-1)(k^5 + k + 1)