-146
312
511
-1097
-1 and 6
20
312
A number multiplied by itself added to itself equals 30. What are the two possible numbers?
511
2 x 7 x 12
-166
5+5 By quadratic equation the two numbers (roots) are: 8.872983346 and 1.127016653 Added together = 10 Multiplied = 10
21 and 7
15
79
-1097
The numbers are 1 and 10.
In ordinary maths, yes.