Question

verify whether the following are zeroes of polynomial, against them

Answer 1

p(x)=3x + 1
p(-1/3) = 3 x -1/3 + 1
p(-1/3) = -1 + 1 =0

Yes it is the zero of the equation

Answer 2

P(x)=3x+1,x=-1/3
P(-1/3)=3(-1/3)+1
=-1+1
=0

Hope I helps...