Jillian is trying to save water, so she reduces the size of her square grass lawn by 8 feet on each side. the area of the smaller lawn is 144 square feet. in the equation(x – 8)2 = 144, x represents the side measure of the original lawn.what were the dimensions of the original lawn?4 feet by 4 feet8 feet by 8 8 feet by 8 20 feet by 20 feet