The two numbers that multiply to give you 90 are 9 and 10. This is because 9 multiplied by 10 equals 90. These two numbers are also known as factors of 90, as they divide evenly into 90 without leaving a remainder.
18 and -5
69
71
45 and 2.
71
It is not possible to multiply two prime numbers and get 90. You can add 43 and 47.
133
If you've written this down correctly, there aren't two whole numbers that satisfy these conditions. The closest is -98 and 4, which multiply to -392, but add to -94.
91
103
-117
37 and 53 = 90