327
91
41 and 43
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.
what two factors of -21 add up to -6
-32
119
there are many combinations of numbers that add up to 84. Some examples are 41+43, 35+49, 29+55, 24+61, and 18+66.
101
59
9 and -3
-3 and 16.