Subtract. See Examples 9 and 10.13x2 + 6xy + 3y22 - 18x2 -
Chapter 5, Problem 52(choose chapter or problem)
Subtract. See Examples 9 and 10.13x2 + 6xy + 3y22 - 18x2 - 6xy - y22
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