-247
The two numbers that can be multiplied to get 20 and added to get -9 are -4 and -5. When multiplied, (-4 \times -5 = 20), and when added, (-4 + -5 = -9).
511
-1097
-146
20
A number multiplied by itself added to itself equals 30. What are the two possible numbers?
511
5+5 By quadratic equation the two numbers (roots) are: 8.872983346 and 1.127016653 Added together = 10 Multiplied = 10
Umm............ a lot of numbers could work. One is 70 and 3.
21 and 7
15
79
-1097
The numbers are 1 and 10.
10
20
59