Answer:
The expression will be simplified into 
Step-by-step explanation:
It's like addition, when you multiply exponents that are on the same bases as each other.
I think that may be a trick question because all the the numbers can be on the number line
ANSWER

EXPLANATION
Given;

The common factor is 3k;
Hence, factor out the common term;
Answer
Step-by-step explanation:
im sorry. math got out of hand to much