The answer is:
- The product of two negative integers is positive.
- If two numbers are the same sign, then the product is positive.
- The product of a positive and a negative is negative.
For example:
1. If you multiply two negative integers the result will be positive:

2. If you multiply two numbers with the same sign, the result will be positive:

3. If you multiply a positive number by a negative number, the result will be negative:
