I don't understand how to form the list.

thanks

Kind Regards

2. X^3+3x^2-10x=0
x(x^2+3x-10)=0

x^2+3x-10=0
D=9+40=49
x1=2
x2=-5

x(x^2+3x-10)=x(x-2)(x+5)
A={-5,0,2}

3. ok yeh i understand.

thanks