Question

if x=-2 is a zero of the polynomial x²-2x-8. then write a factor of the given polynomial. ​

Answer 1

Answer:

-2 is a factor of x^2-2x-8

Step-by-step explanation:p (x )=x^2-2x-8=0

Ifp (x )=-2 then we get,

P (-2)=(-2)^2-2 (-2)-8

=4+4-8

=8-8=0

There fore -2 is a factor of x^2-2x-8