2010.09.
问题描述:
2010.09.
(2x-1)^2 /3 = 1-2x/4
答
两边乘12
4(2x-1)²=-3(2x-1)
4(2x-1)²+3(2x-1)=0
(2x-1)(8x-4+3)=0
(2x-1)(8x-1)=0
x=1/2,x=1/8