To simplify the given expression
The first step is to distribute multiplication on the parentheses term, which means that you have to multiply each term within the parentheses by 8
The second step is to solve the operations between the like terms, in this case, we have two "groups" of terms, the ones that include the letter s, and the constants (alone numbers).
You have to add 40s and 7s, and the simplified expression is as follows:
