### Home > CC3 > Chapter 2 > Lesson 2.1.1 > Problem 2-7

2-7.

Suppose one person in your team has two *x*^{2}‑tiles, three *x*‑tiles, and one unit tile on his desk and another person has one *x*^{2}‑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? 2-7 HW eTool (CPM). Homework Help ✎

Refer back to problem 2-6 for a strategy to use on this problem.

3*x*^{2} + 8*x* + 9

Use the tiles in the eTool below to solve the problem.

Click the link to the right to view the full version. CC3 2-7 HW eTool