79
The two numbers you are looking for are 48 and -28. When multiplied together, 48 × -28 equals -1344, and when added, 48 + (-28) equals 20.
The numbers are 10 and 5.2
-2
-70
8, 5 and 2
-9+4
The numbers are: 30 and -30
2.4115 and 33.5885 (to 4 dp)
5
The numbers are 1 and 10.
10
266