Answer:
Example 4: -9 and -1
Example 5: 12 and -5
Explanation:
Part 1: Example 4
First of all, if you add up -9 and -1, you get -10. Also, if you multiply them, you get 9!
Part 2: Example 5
If you add up 12 and -5, you get 7. Also, if you multiply -5 and 12, you get -60.
Hope this helps! :)