2x^2-3x+1/2=0,解方程,用配方法!

问题描述:

2x^2-3x+1/2=0,解方程,用配方法!

2x^2-3x+1/2=0
x²-3x/2=-1/4
x²-3x/2+9/16=-1/4+9/16
(x-3/4)²=5/16
x-3/4=±√5/4
x=(3±√5)/4