ax+1-a-x因式分解
问题描述：
ax+1-a-x因式分解
答
ax+1-a-x
=a(x-1)-(x-1)
=(a-1)(x-1)
ax+1-a-x因式分解
ax+1-a-x
=a(x-1)-(x-1)
=(a-1)(x-1)