A garden designer designed a square decorative pool. The pool is surrounded by a walkway. On two opposite sides of the pool, the walkway is 8 feet. On the other two opposite sides, the walkway is 10 feet.

The final design for the pool AND walkway covers a total area of 1,440 square feet.

(a) Write an equation in a factored form that represents this situation.

(b) What are the two x values when you solve for x in your equation?

(c) What are the dimensions of the rectangle? (the outside the walkway)