-111
-27
The factor pairs of 36 are (36, 1) (18, 2) (12, 3) (9, 4) (6, 6) None of them add up to 9. If that was -36, you could use 12 and -3
164
144
-41
54
377
Try 1 times 75.
71
It is: -6 and -6
18 and 18
-111
-27
23
The answers are: -5*-3 = 15, -8*7 = -56 and -4*-12 = 48
The factor pairs of 36 are (36, 1) (18, 2) (12, 3) (9, 4) (6, 6) None of them add up to 9. If that was -36, you could use 12 and -3