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Wiki User
41
Kenny Donnelly ∙
The factor pairs of 21 are (21,1)(7,3)
Neither of them add up to 20.
You could do -21 and -20 by using -21 and 1
360
104
56
-262
119
45
The numbers are: -1 and -20
83
-115
20
The numbers are: 20 and -48
64
18
-1597