4 - 4.898979*i and 4 + 4.898979*i (to 6 dp) where i is the imaginary square root of -1.
5+5 By quadratic equation the two numbers (roots) are: 8.872983346 and 1.127016653 Added together = 10 Multiplied = 10
-0.5625
1, 2 and 3
Ah, I see you're trying to be sneaky with your math riddles. The two numbers you're looking for are -1 and 1. When you add them together, you get 0, and when you multiply them, you get -1. Sneaky, sneaky.
The numbers are: -25 and -30
15.268 and 18.732
4
-19
-1
7.5516 and 70.4484 (approx)
49
-9+4
2.4115 and 33.5885 (to 4 dp)
8, 5 and 2
The numbers are: 30 and -30
A number multiplied by itself added to itself equals 30. What are the two possible numbers?