Part A: The area of a square is (4x^2 − 12x + 9) square units. Determine the length of each side of the square by factoring the area expression completely. Show your work. (5 points) Part B: The area of a rectangle is (16x^2 − 9y^2) square units. Determine the dimensions of the rectangle by factoring the area expression completely. Show your work. (5 points)

(10 points)