The two numbers that multiply to 8 and add to 7 are 1 and 8. However, upon closer inspection, the correct pair is 2 and 4, since 2 × 4 = 8 and 2 + 4 = 6. Therefore, the numbers you are looking for that satisfy both conditions do not exist as integers.
-27
7
-713
8 and 2
6 and 1
There is no answer, it is not possible
151
20
-12
-46
-4 and -2
-92