Because -84 is negative then one of the factors is negative, therefore, the sum of the two factors will be the DIFFERENCE of the two and the greater value one is positive.
-1x84=>83 difference
-2x42=>40
-3x28=>25
-4x21=>17
-6x14=>8
-7x12=>5
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.
-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.
9 and -3
6 and -1
-3 and 16.
59
Factors multiply, like 1 x 11. Addends add, like 5 and 6.