7*7=49
1*49=49
-7*-7=49
-1*-49=49
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Two (or four) digits added together cannot equal 42. Two-digit numbers multiplied together cannot equal 82.
21
(147,1)(49,3)(21,7)
5+5 By quadratic equation the two numbers (roots) are: 8.872983346 and 1.127016653 Added together = 10 Multiplied = 10
The numbers are 10 and 5.2