31
0.3337 and 29.6663 (approx).
Negative 10 and positive 3
47
The numbers are: 399.9249859 and 0.07501406778
134
190
Negative 10 and positive 3
30 and -1
13
3.8197 and 26.1803 (approx).
Assuming the question refers to two numbers, the answer is the complex conjugate pair:-15 ± 25.981i where i is the imaginary square root of -1.
47
The numbers are: 399.9249859 and 0.07501406778
134
-30
-42
170
190