IDNLearn.com offers a unique blend of expert answers and community-driven knowledge. Discover comprehensive answers from knowledgeable members of our community, covering a wide range of topics to meet all your informational needs.
Answer:
A-r-1
Step-by-step explanation:
in in opening the brackets just say r * -1 that will still remain one so your answer will still remain A minus R minus one friend that's the answer.