1 x 15, 3 x 5
The two numbers you are looking for are -15 and 4. When you multiply -15 and 4, you get -60, and when you add them together, you get -13.
The two numbers are -2 and -15
15 and 1 smarts
16 and 15
15 and 16. or -16 and -15
31
There are no such numbers but if you meant -135 then the numbers are -9 and 15
5 and -3
25*15= 375
23
-6 and -9
You multiply the two numbers together.