What is 1/0 (insert troll face here)

Which of the following is the result of expanding

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm

One positive integer is 2 less than another. the product of the two integers is 24. what are the integers?