问题
填空题
方程x(x-1)=2(x-1)的解是______.
答案
x(x-1)=2(x-1),
x(x-1)-2(x-1)=0,
(x-1)(x-2)=0,
x-1=0,x-2=0,
x1=1,x2=2,
故答案为:x1=1,x2=2.
方程x(x-1)=2(x-1)的解是______.
x(x-1)=2(x-1),
x(x-1)-2(x-1)=0,
(x-1)(x-2)=0,
x-1=0,x-2=0,
x1=1,x2=2,
故答案为:x1=1,x2=2.