x^2-3x+2=0 怎么算哦.
问题描述:
x^2-3x+2=0 怎么算哦.
答
x^2-3x+2=0
(x-2)(x-1)=0
x=2或x=1
x^2-3x+2=0 怎么算哦.
x^2-3x+2=0
(x-2)(x-1)=0
x=2或x=1