The factor pairs of 12 are (12, 1) (6, 2) (4, 3)
None of them add up to 5.
The two numbers are -1 and -2
8
-5 and -7
575
-45
21
multiplied to seventy and add to nine is impossible, but add up to 9 and multiplied to -70, or add up to -9 and multiplied to 70 are possible. In that case, 14 and -5 would do it (or -14 and 5)
6 and -2
13
It is not possible to multiply two prime numbers and get 90. You can add 43 and 47.
33
-134