Slope of -7, 2and -6, 7

Which of the following is the result of expanding the series

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

Plzzz answer both questions and i will give you 100 points