解方程:2x^2-(1-3m)x+m^2-1=0
问题描述:
解方程:2x^2-(1-3m)x+m^2-1=0
答
2x^2-(1-3m)x+m^2-1=0
(x-(m+1))(2x-(m-1))=0
x=m+1 or (m-1)/2