问题
解答题
用适当方法解下列方程:
①3x2-6x+3=0;
②3x(x-1)=2(x-1).
答案
①3x2-6x+3=0,
3(x-1)2=0,
x-1=0,
x1=x2=1;
②3x(x-1)=2(x-1),
3x(x-1)-2(x-1)=0,
(3x-2)(x-1)=0,
x1=
,x2=1.2 3
用适当方法解下列方程:
①3x2-6x+3=0;
②3x(x-1)=2(x-1).
①3x2-6x+3=0,
3(x-1)2=0,
x-1=0,
x1=x2=1;
②3x(x-1)=2(x-1),
3x(x-1)-2(x-1)=0,
(3x-2)(x-1)=0,
x1=
,x2=1.2 3