Answer:
a
Step-by-step explanation:
to determine cost u need to have a equation to show cost per room.and total cost of rooms
Paris,munish and Oslo are mistake 。
The product is 
Explanation:
The given expression is 
We need to determine the product of the given expression.
First, we shall simplify the given expression.
Thus, we have,


Expanding the expression, we have,

Now, we shall apply FOIL, we get,

Simplifying the terms, we have,

Multiplying, we get,

Adding the like terms, we get,

Thus, the product of the given expression is 