老师.(2x - 2)(x-1)=0.一般形式是.2x²-2x-2=0.
问题描述:
老师.(2x - 2)(x-1)=0.一般形式是.2x²-2x-2=0.
答
不对哦
(2x - 2)(x-1)=0
2x²-2x-2x+2=0
2x²-4x+2=0
x²-2x+1=0