4x/(x-2)-5=mx/(2-m)
4x-5(x-2)=mx(x-2)/(2-m)=ax(x-2) 为简便些,令a=m/(2-m)
-x+10=ax^2-2ax
ax^2+(1-2a)x+10=0
1)若m=1,则a=1,方程为x^2-x+10=0,△=1-40
4x/(x-2)-5=mx/(2-m)
4x-5(x-2)=mx(x-2)/(2-m)=ax(x-2) 为简便些,令a=m/(2-m)
-x+10=ax^2-2ax
ax^2+(1-2a)x+10=0
1)若m=1,则a=1,方程为x^2-x+10=0,△=1-40