You can multiply any of the combinations below
1 and 42
2 and 21
3 and 14
6 and 7
There are an infinite number of combinations if the numbers are not restricted to just positive integers.
2*21 = 42
6x7
They are: 2*7*3 = 42
The two numbers you are looking for are 7 and -49. They add up to 42 (7 + (-49) = 42) and multiply to -343 (7 * -49 = -343).
The two numbers that multiply to 42 and add up to 11 are 14 and -3. Specifically, 14 × -3 = -42 and 14 + (-3) = 11.
7 x 2 x 3 = 42
42
-31
6 / 7 2 / 21 3 / 14 1 / 42
They are: 6 and -7
1848
2 when multiplied by 21 = 42