-936
17
-62 and 70
16 and -3 are the numbers which gives -48 when multiplied and 13 when added
There is no answer to this. The factors of 15 are 1, 3, 5 and 15. The only numbers that add up to four are 1+3, 4+0 and 2+2.
20
-17
-127
3452
17
-936
-117
-21, 27
22
137
5
-43