x-5分之3减去5x分之1等于2 怎么解
问题描述：
x-5分之3减去5x分之1等于2 怎么解
答
3/(x-5)-1/5x=25x*(x-5)*3/(x-5)-5x*(x-5)*1/5x=5x*(x-5)*215x-(x-5)=10x(x-5)15x-x+5=10x^2-50x14x+5=10x^2-50x10x^2-64x-5=0x^2-32x/5-1/2=0x^2-32x/5+256/25-256/25-1/2=0(x-16/5)^2-1024/100-50/100=0(x-16/5)^2...