x+5/x+1-3x-3/x+5=8x+28/x^2+4X-5-2
问题描述：
x+5/x+1-3x-3/x+5=8x+28/x^2+4X-5-2
（x+5）/（x+1)-(3x-3)/(x+5)=(8x+28)/(x^2+4X-5)-2
答
麻烦这位同学把括号标一下 （x+5)/(x-1)=(-2x^2+38)/(x^2+4x-5)+(3x-3)/(x+5)（x+5)/(x-1)=(x^2-6x+41)/(x+5)(x-1)(x^2-6x+41-x^2-10x-25)/(x+5)(x-1)=0(-16x+16)/(x+5)(x-1)=0-16(x-1)/(x+5)(x-1)=0