问题
解答题
解方程:(1)x2-7x+6=0;
(2)(5x-1)2=3(5x-1)
答案
(1) (x-1)(x-6)=0,
∴x1=1,x2=6.
(2) (5x-1)2-3(5x-1)=0,
(5x-1)(5x-1-3)=0,
∴x1=
,x2=1 5
.4 5
解方程:(1)x2-7x+6=0;
(2)(5x-1)2=3(5x-1)
(1) (x-1)(x-6)=0,
∴x1=1,x2=6.
(2) (5x-1)2-3(5x-1)=0,
(5x-1)(5x-1-3)=0,
∴x1=
,x2=1 5
.4 5