How about: 5*84 = 420 as one example
8 and 4, added together and multiplied by 7
124
The conjugate of (84-3i) is (84+3i). This gives you a real number when multiplied.
109
How about: 5*84 = 420 as one example
84 x 84
2 x 42=84 4 x 21=84 6 x 14=84
8 and 4, added together and multiplied by 7
124
12x2x2x2
The conjugate of (84-3i) is (84+3i). This gives you a real number when multiplied.
21 and 4 14 and 6 28 and 3 12 and 7 42 and 2
109
You'll need four. 2 x 3 x 3 x 7 = 84
The answer is 🙈🙉🙊
109