1. **State the problem:** We need to solve the equation or expression given by the user. However, since no specific problem was provided, I cannot solve or explain any math problem. 2. **Formula and rules:** No formula or rules can be applied without a problem statement. 3. **Intermediate work:** No intermediate work can be shown without a problem. 4. **Explanation:** No explanation can be given without a problem. Please provide a specific math problem to solve or explain.