(8y-2)×3y=1解一元一次方程
问题描述:
(8y-2)×3y=1解一元一次方程
答
(8y-2)×3y=1
24y ^2-6y-1=0
y ^2-y/4-1/24=0
(y-1/2) ^2=7/24
y-1/2=±√42/12
y=1/2±√42/12