因式分解x2+y-xy-x
网友回答
x²＋y－xy－x＝﹙x²－xy﹚＋﹙y－x﹚
＝x﹙x－y﹚－﹙x－y﹚
＝﹙x－y﹚﹙x－1﹚
======以下答案可供参考======
供参考答案1:
x²+y-xy-x =x²-xy-x+y=x(x-y)-(x-y)=(x-1)(x-y)
供参考答案2:
x2+y-xy-x
=x(x-y)-(x-y)
=(x-y)(x-1)
供参考答案3:
x(x-1)+y(1-x)
(x-y)(x-1)
供参考答案4:
原式=x(x-1)+y(x-1)=(x-1)(x-y)
供参考答案5:
(x-1)(x-y)