Raymond B. answered 02/28/22
Math, microeconomics or criminal justice
-1/-1, -1/-3, -1/-9, -1/1, -1/3, -1/9
= 1, 1/3, 1/9, -1, -1/3, -1/9
numerators are factors of the constant term, 1 which are 1 and -1.
denominators are factors of the leading term's coefficient, -9, which are 1,-1,3,-3, 9 and -9