A large white square represents an x-tile, a black rectangle represents a -x-tile, and a small white square represents a 1-tile.
Write the polynomial represented by this set of algebra tiles.
ロロロ
O 4.2 — 3.2 + 6
-4.x2
3.2 + 6
O 4.2
23 + 6
O 4.0 – 3.72 + 6