Question

What should be subtracted from the polynomial x^2 – 4x – 6, so that 5 is a zero of the polynomial?

Answer 1

Answer:

(x) = x^2-4x-6

the zero of the polynomial

x-5=0

x=-5

p (x)=x^2-4x-6

=(-5)^2 -4(-5) -6

=(-25)+20-6

=-31 + 20

= - 1 1