Benjamin is taking Algebra 1 and is stuck on the problem shown below. Examine his work so far and help him by showing and explaining the remaining steps. Homework Help ✎
Original problem: Simplify
He knows that
Use the Associative and Commutative Properties to rewrite the expression.
3 · 3 · 3 · a−2 · a−2· a−2· b · b · b