122
-61
42 and 42
-1 * 42 = -42 1 * -42 = -42 -2 * 22 = -42 2 * -22 = -42 -3 * 14 = -42 3 * -14 = -42 There are many ways to multiply two numbers to equal -42. However, one must be negative.
The factor pairs of 42 are (42,1)(21,2)(14,3)(7,6) Even considering their negative counterparts, none of them add up to -5.
122
-61
-3 and -14
1680
65
-41
55
-42
686
42 and 42
-17 -42 equal -57
1848