2-7. Suppose one person in your team has two x2-tiles, three x-tiles, and one unit tile on his desk and another person has one x2-tile, five x-tiles, and eight unit tiles on her desk. You decide to put all of the tiles together on one desk. What is the name for this new group of tiles? Draw the tiles below, then write it as a sum. 3x2 + 8x9