1. The given expression is \left(\;\right)\left(\;\right), which represents the multiplication of two empty parentheses without any visible terms inside. 2. Since there are no terms or numbers inside the parentheses, the expression is undefined or represents an empty product. 3. To provide a meaningful result, you need to specify the terms inside each pair of parentheses. 4. Please provide the expressions inside each set of parentheses for further simplification or evaluation.