Question

关于X的方程(3-2x)/(x-3)+(2+mx)/(3-m)=-1无解,求M的值.

Answer 1

(3-2x)/(x-3)+(2+mx)/(3-m)=-1

(3-2x)(3-m)+(2+mx)(x-3)=-(x-3)(3-m)

9-3m+(2m-6)x+mx^2+(2-3m)x-6=(m-3)x+9-3m

mx^2+(-2m-1)x-6=0

因为方程(3-2x)/(x-3)+(2+mx)/(3-m)=-1无解,

所以△