ax²-(a+1)x+1因式分解

问题描述:

ax²-(a+1)x+1因式分解

ax²-(a+1)x+1=ax²-ax-x+1=ax(x-1)-(x-1)=(x-1)(ax-1).

ax²-(a+1)x+1
=(x-1)(ax-1)

原式=ax²-ax-x+1
=ax(x-1)-(x-1)
=(ax-1)(x-1)