0
Wiki User
-18 + -18 = -36
-18 x -18 = 324
The two numbers are both -18.
21
-20
164
36
It is: -6 and -6
4 and 9
18 and 18
72, 108, 144, 180, 216, 252, 288, 324, 360!
23
-40
1 x 324, 2 x 162, 3 x 108, 4 x 81, 6 x 54, 9 x 36, 12 x 27, 18 x 18 = 324