ax+2/3(x-a0+a^2=0(a不等于0)

问题描述:

ax+2/3(x-a0+a^2=0(a不等于0)

ax+2/3x-2/3a+a^2=0
(a+2/3)x=a^2-2/3a
两边乘3
(3a+2)x=3a^2-2a
x=(3a^2-2a)/(3a+2)