-18 + -18 = -36
-18 x -18 = 324
The two numbers are both -18.
49
It is: -6 and -6
4 and 9
18 and 18
72, 108, 144, 180, 216, 252, 288, 324, 360!
-20
21
23
0
-30
-40
The factor pairs of 36 are (36,1)(18,2)(12,3)(9,4) Even considering their negative counterparts, none of them adds up to -60.