In Exercises 920, add or subtract as indicated. (2x2y xy)
Chapter 5, Problem 5.1.423(choose chapter or problem)
In Exercises 920, add or subtract as indicated. (2x2y xy) (4x2y 7xy)
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer