23
No factors of 35 do that. The factors 5 and 7 will add together to give 12, but not subtract.
88
The two factors of 24 that give you a sum of 20 are 12 and 8.
They are: -3 and 4
15
42 - 22 = 16 - 4 = 12
-76
88
The two factors of 24 that give you a sum of 20 are 12 and 8.
138
They are: -3 and 4
12 and 16 8 and 12 2 and 6 4 and 8
The two greatest factors of 12 are 12 and 6.
9/12 - 8/12 = 1/12
The factors of 12 are 1,2,3,4,6 and 12. That would make the largest two 6 and 12.
15
They are 48/24 = 2 or 24/12 = 2
42 - 22 = 16 - 4 = 12