In this problem, you want to pay attention to keywords. As your answer must be an algebraic expression meaning you are not finding a solution. You are utilizing algebraic numbers, variables, and operations to create the expression.
In this case, the variable is x.
You are finding the difference between x and 6. Meaning x-6. As the word difference represents subtraction
You must times x-6 by 5. As product means multiplication, re-write as 5(x-6). 5 is on the outside because you are multiplying by the difference between x-6.
3 more than in the statement implies you are adding in which you would re-write 3+5(x-6). Your answer should be 3+5(x-6). As it follows the order of the statement.