Answer:
The required multiplication expression is
.
Explanation:
Consider the provided information.
Marcus purchases 75 shares of stock. A year after purchasing the stocks, the value of the stock is $2 less per share.
Let the value of each shares Marcus purchase was $x.
Now, the value of the stock is $2 less per share. This can be written as:

Thus the cost of 75 shares will be:

Thus, the required multiplication expression is
.
The change will be:


The change will be -$150.