您好 (x^4是x的四次方的意思)原式=x^4+x^2+x^2-x^2+1+1-x^3 =x^4+2x^2+1-x^2+1-x^3 =(x^2+1)^2-x^2+(1-x)(1+x+x^2) =(x^2+1-x)(x^2+1+x)+(1-x)(1+x+x^2) =(x^2+1-x+1-x)(x^2+x+1) =(x^2-2x+2)(x^2+x+1)愿您进步不懂的问我望采纳谢谢