Question

if -1 is an zero of a polynomial f(x)=x^-7x-8 find its another zero​

Answer 1

Answer:

x^2 - 7x - 8

x^2 - 8x + 1x - 8

x (x - 8) + 1 ( x - 8)

(x + 1) ( x - 8)

x + 1 = 0 or x - 8 = 0

x = -1 or x = 8

another zero is 8