0
Wiki User
-5
Christopher Schimmel ∙
The factor pairs of -28 are (-28,1)(-14,2)(-7,4)(28,-1)(14,-2)(7,-4)
None of them add up to 23.
When added? multiplied?
The numbers are 1 and 10.
10
266
79
-1540
99
6 and -5
-66
-8 and -15
-3, -6
15 and 8