2X-3/X+1=2X+m/X-m(2x-3)(x-m)=(x+1)(2x+m)2x²-(2m+3)x+3m=2x²+(m+2)x+m(3m+5)x=2m  3m+5=0m=-5/3左边=0,右边≠0,无解；3m+5≠0x=2m/(3m+5)=-12m=-3m-55m=-5,m=-1,此时分母为0无解；或者：x=2m/(3m+5...