Here given the value of
In order to find zero of p(x),we have to equate
5 is the zero of p(x).
There you go,
p(x) = x-5
or
x - 5 = 0
Now, add 5 to both sides,
x-5+5 = 0+5
Hence, the answer would be,
x=5
that is your answer right there..