Question

Check whether 3 and 2 are the zeroes of the polynomial p(x) when p(x) = x2-x-6.​

Answer 1

Let,

P(3)=3

2

−3−6=9−9=0

P(−2)=(−2)

2

−(−2)−6

=4+2−6=0

P(3)=0 and P(−2)=0

∴3 and −2 are the zeroes of the polynomials x

2

−x−6