Final answer:
The two numbers that combine to form 5, the constant term, are 1 and 5, or -1 and -5.
Step-by-step explanation:
When finding the factors of a constant term, such as 5, we look for pairs of numbers that multiply to give 5. The factors can be either positive or negative. In this case, the two numbers that combine to form 5 are 1 and 5, or -1 and -5.