1. The problem involves identifying and understanding the subtraction expressions with polygon shapes in a 5x3 grid. 2. Each cell contains a subtraction sign followed by a polygon shape: square, pentagon, triangle, hexagon, circle, rectangle, rhombus, and bowtie/arrowhead. 3. Since the problem is visual and symbolic without numeric or algebraic values, the key is to recognize the shapes and their arrangement. 4. No explicit numeric or algebraic operation is given, so no calculation is possible. 5. The problem likely tests shape recognition and understanding of subtraction notation in a symbolic context. 6. Without further numeric or algebraic data, the final answer is a description of the subtraction expressions involving the given polygons.