(4x-3)²=3(4x-3)-2解方程

问题描述:

(4x-3)²=3(4x-3)-2解方程

(4x-3)²=3(4x-3)-2
(4x-3)²-3(4x-3)+2=0
(4X-3-2)(4X-3-1)=0
(4X-5)(4X-4)=0
4X-5=0或4X-4=0
X1=5/4,X2 =1

(4x-3)²=3(4x-3)-2
(4x-3)²-3(4x-3)+2=0
(4x-3-2)(4x-3-1)=0
(4x-5)(4x-4)=0
x=5/4,x=1

(4x-3)²-3(4x-3)+2=0
(4x-3-2)(4x-3-1)=0
(4x-5)(4x-4)=0
∴x=5/4 x=1