20道因式分解题有过程

2026-05-04

求谁给我初二的因式分解题20道啊要有详细过程啊。1、5ax+5bx+3ay+3by解：=5x(a+b)+3y(a+b)=(5x+3y)(a+b)2、x^3-x^2+x-1解：=(x^3-x^2)+(x-1)=x^2(x-1)+ (x-1)=(x-1)(x^2+1)3、x2-x-y2-y解：=(x2-y2)-(x+y)=(x+y)(x-y)-(x+y)=(x+y)(x-y-1)4、bc(b+c)+ca(c-a)-ab(a+b)=bc(c-a+a+b)+ca(c-a)-ab(a+b)...