The numbers that multiply to -12 and add to 6 are 8 and -2. When you multiply 8 by -2, you get -12, and when you add them together, 8 plus -2 equals 6. Thus, the solution to the problem is 8 and -2.
-16
It is: -6 and -6
6 + 12 = 18 6 * 12 = 72
78
12
(6 + √20) ≈ 10.472 and (6 - √20) ≈ 1.528
20
60
6 and 1
26
24
-22