3
How about: 1*9 = 9 and 1+9 = 10
A number multiplied by itself added to itself equals 30. What are the two possible numbers?
511
No two numbers exist.for the two numbers to be added to be negative and multiplied to be positive, both numbers must be negative, and the highest possible multiplication for two numbers added to -12 would be (-6 and -6) but multiplied, yields 36. So, no such numbers would exist.
When added? multiplied?
000
5+5 By quadratic equation the two numbers (roots) are: 8.872983346 and 1.127016653 Added together = 10 Multiplied = 10
109
Two Numbers consisting only of ones that when multiplied or added equal the same number are 11, and 1.1
23
1, 2 and 3
2 and 2
0, 0 and 0