x^6-y^6-2x^3+1因式分解
除了x^6-y^6-2x^3+1
=(x^6-2x^3+1)-y^6
=(x^3-1)^2-(y^3)^2
=(x^3+y^3-1)(x^3-y^3-1)还有其他的方法么.