Let the numbers be m & n
Hence
mn = -120
m +n = 7
It follows m = 7 - n
Substitute
(7 - n)n = -120
Multiply out the brackets
7n - n^2 = -120
Form a Quadratic Eq'n
n^2 - 7n - 120 = 0
Factor
(n - 15)(n + 8) = 0
Hence n = 15 & m = -8
-8 and +15
-127
154
24 and 5
The numbers are: 20 and -6
-713
7
77
There is no answer, it is not possible
6 and 1
151
6*1
7