2,6
The two numbers that multiply to make 12 and add to make 8 are 2 and 6. When you multiply 2 and 6, you get 12 (2 × 6 = 12), and when you add them together, you get 8 (2 + 6 = 8).
168
-16
Assuming question should be ... What multiplies itself 3 times for 1728 twelve 12³ = 12 x 12 x 12 = 144 x 12 = 288 + 1,440 = 1,728
It is: 3*4 = 12
6 + 12 = 18 6 * 12 = 72
20
4 8 12
57
-12
-177
1, 2, 4.