-3a(1-x)-2b(x-1)+(1-x) 因式分解
问题描述:
-3a(1-x)-2b(x-1)+(1-x) 因式分解
答
提取(x-1)
(x-1)(3a-2b-1)
答
=3a(x-1)-2b(x-1)-(x-1)
=(x-1)(3a-2b-1)