)) Use algebra tiles to find

To solve using algebra tiles, you would start by representing each term with the corresponding tiles. You’ll use long rectangles for terms, squares for terms, and small tiles for constants.

First, for , you would lay down 10 tiles and 3 unit tiles. Then, for , you lay down 1 negative square tile (for ), 9 positive tiles, and 10 negative unit tiles. Now combine all your tiles! Combine the tiles: , combine the and unit tiles: , and keep the square tile.

Your final expression in tiles will be:
, or in algebraic terms, .

It’s an interactive and visual way to understand combining like terms!