Question

If -1 is a zero of a polynomial f(x)= x^2 - 7x- 8 , then find the other zero

Answer 1

If

X=-1 then

X+1 is factor of p(x)

P(x)=x2-7x-8

: Dividing p(x) by x+1

P(x)=x+1(x-8)

X-8=0

X=8

The other zero is 8

Thank you