the answer is B the student made an error between step 1 and 2
Step-by-step explanation:
the steps to solving this are: first use the distribution method, but because there is nothing before the parenthesis there is nothing to distribute so just get rid of the parenthesis, Now for step two combine like terms, here is where the mistake came you never subtract like terms unless one like term is a negative and the other is a positive number.
