解方程;(x-1)平方=2(x-1)
问题描述:
解方程;(x-1)平方=2(x-1)
答
(x-1)=2(x-1) (x-1)-2(x-1)=0 (x-1)(x-3)=0 x-1=0或x-3=0 x=1或x=3
解方程;(x-1)平方=2(x-1)
(x-1)=2(x-1) (x-1)-2(x-1)=0 (x-1)(x-3)=0 x-1=0或x-3=0 x=1或x=3