Answer :
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.
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.