初二整式方程一道-____________________-
问题描述:
初二整式方程一道-____________________-
(1+根号2)x²-(3+根号2)x+2=0
答
(1+√2)x^2-(3+√2)x+2=0
(x-1)[(1+√2)x-2]=0
x=1或x=2/(1+√2)=2√2-2