A product is formed when you multiply two numbers or expressions. The word "and" is used to divide the two items being multiplied. So "The product of 8 and ---" means that you are multiplying 8 and what ever follows the "and" in the problem, in this case it is "the sum of a number and 7".
( 8-n)
Step-by-step explanation:
the difference means to subtract
the unknown number can be represented by the variable n
so
( 8-n)