题目内容
分解因式:x3-xy2-x+y=______.
x3-xy2-x+y,
=x(x2-y2)-(x-y),
=x(x-y)(x+y)-(x-y),
=(x-y)(x2+xy-1).
故答案为:(x-y)(x2+xy-1).
=x(x2-y2)-(x-y),
=x(x-y)(x+y)-(x-y),
=(x-y)(x2+xy-1).
故答案为:(x-y)(x2+xy-1).
练习册系列答案
相关题目
下列各式从左到右的变形是分解因式的是( )
| A、2a2-b2=(a+b)(a-b)+a2 | B、2a(b+c)=2ab+2ac | C、x3-2x2+x=x(x-1)2 | D、(x-1)(y-1)=xy-x-y+1 |