因式分解结果是(x^2-x+1)(x^2+x-2022)
用拆项法因式分解,其过程是
原式等于x4+x-2022x^2+2022x-2022
=(x^4+x)-2022(x^2-x+1)
=x(x^3+1)-2022(x^2-x+1)
=(x^-x+1)[x(x+1)-2022]
=(x^2-x+1)(x^2+x-2022)