Verify whether the indicated numbers are zeros of the polynomials corresponding to them in that cases:

Explanation

`f(x)=l x+m ,\ x=\ -m/l``p(x)=l x+m , x=-m/l`
`f(x)=lx+m,f(-m/l)=l(-m/l)+m=0`
`=>p(-m/l)=l(-m/l)+m=0`.
Therefore, `x=-m/l` is zero of f(x) and p(x).