(x- 1)(x- radical number 3)=0
Two solutions 1 and root number 3 satisfying the conditions are obtained.
The second equation, the decomposition factor
(mx+ 1)(x- 1)=0
The solutions are x=- 1/m and x= 1.
It can be known that m < 0
Then-1/m > 1 and-1/m < 2.
The solutions are m >- 1 and m.
So- 1 < m