分解因式:(x-1)+b2(1-x)
问题描述:
分解因式:(x-1)+b2(1-x)
答
(x-1)+b2(1-x),
=(x-1)+b2(-x+1),
=(x-1)-b2(x-1),
=(x-1)(1-b2),
=(x-1)(1+b)(1-b).