解方程:3/5x+1 - 6/2x-1 =1

问题描述:

解方程:3/5x+1 - 6/2x-1 =1

3/5x+1 - 6/2x-1 =1
3(2x-1)-6(5x+1)=(2x-1)(5x+1)
6x-3-30x-6=10x²-3x-1
10x²+24x+8=0
5x²+12x+4=0
(5x+2)(x+2)=0
5x+2=0 x+2=0
∴x₁=-2/5
x₂=-2