What adds up to 4 and multiplies to be - 96

First find the factors of - 96

-96=-1 times 2 times 2 times 2 times 2 times 2 times 3

the combos are

2 times 48

3 times 32

4 times 24

6 times 16

8 times 12

no find the differences of each and find which one=4 or - 4

2-48=-46 no

3-32=-29 no

4-24=-20 no

6-16=-10 no

8-12=-4 yes

so the numbers are - 8 and 12 becase when added, they yeild 4 and when multiplied, they yield - 96

-8 and 12