解方程4x^2-9x^2+6x-1=0
问题描述:
解方程4x^2-9x^2+6x-1=0
答
4x^2-9x^2+6x-1=0
-5x²+6x-1=0
(5x-1)(x-1)=0
x=1或x=1/5