Drag the tiles to the correct boxes to complete the pairs. Last year, Mark designed a square-shaped banner for culture events at his school. This year, he is designing a similar banner for his school's sporting events. The sports banner is 12 inches longer than the length of the banner for the culture events. The area of the sporting events banner is given by the expression below , where x represents the side length, inches , of the culture . x ^ 2 + 12x Match each part of the expression with what represents .