5+5
By quadratic equation the two numbers (roots) are:
8.872983346
and
1.127016653
Added together = 10
Multiplied = 10
26
The numbers are -10 and -70
-8 and -8
Urny ony
Two (or four) digits added together cannot equal 42. Two-digit numbers multiplied together cannot equal 82.
-8 and -4
95
-141
-4 and -25
-3 and 6
15 and -3
-13