Brainlies! part a: the area of a square is (9x^2 + 24x + 16) 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 − 25y^2) square units. determine the dimensions of the rectangle by factoring the area expression completely. show your work. (5 points)