Answer:
x^(d+18)
Step-by-step explanation:
using the law of indices
you must add the powers
Answer:
A
Step-by-step explanation:
You can subtract normally when the square roots are the same( like in your problem) but the squares stay they same and the numbers on the outside change.
What is your question I will answer it if I can
B. This is the answer because it is not equivalent to anything else, and the answer simplified is: -18.