(x-5)(x-6)=x-5 怎么用因式分解法解方程?

来源:学生作业学帮网 编辑:学帮网 时间:2024/05/16 00:56:49

(x-5)(x-6)=x-5 怎么用因式分解法解方程?

移项
(x-5)(x-6)-(x-5)=0
(x-5)(x-6-1)=0
(x-5)(x-7)=0
x=5,x=7

(x-5)(x-6)-(x-5)=0
(x-5)(x-7)=0
x1=5 x2=7