"Factors" are multiplied, not added. Choose any number (except zero) for the first factor. Then divide -9 by that number to get the second factor.
Factors are multiplied, not added. The question needs to be something like, "Which two factors of thirty add up to 11?" The answer would then be 5 and 6.
-32
119
9 and -3
-3 and 16.
6 and -1
Factors multiply, like 1 x 11. Addends add, like 5 and 6.
-156
23
-57
-273
27