0
Wiki User
-95
Maximo Witting ∙
The factor pairs of -84 are (-84,1)(-42,2)(-28,3)(-21,4)(-14,6)(-12,7)(84,-1)(42,-2)(28,-3)(21,-4)(14,-6)(12,-7)
None of them add up to -11
-11
221
21
51
-31
13
-51
11
-145
4 and 7