Find the zero (root) of the polynomial in each of the following cases: `f(x)=x-5` (ii) `g(x)=2x+5`

Explanation

`f(x)=x-5`
`=>x-5=0, x=5`
so x=5 ,Therefore, 5 is the zero(root) of f(x).
(ii) `g(x)=2x+5`
`g(x)=0, 2x+5=0`
`=> 2x=-5`
`=> x=-5/2`, it is a zeo (root) of x.