3
Negative 10 and positive 3
-10 and 1
-10
-3 and -3.
To find two numbers that add to 3 and multiply to 18, we can set up a system of equations. Let's call the two numbers x and y. We have the equations x + y = 3 and x * y = 18. By solving this system, we can find that the numbers are 1.5 and 12.
21
it is not possible.
2 and 10
6
-10
8 and 2