Question

what are the factors of the following trinomial?

r^2 - 9r + 8

Answer 1

(x-1)(x-8)

Answer 2

excuse me (r-1)(r-8)

Answer 3

r^2 - 9r + 8
r^2 - r - 8r + 8
r(r - 1) - 8(r - 1)
(r - 8)(r - 1)