When forming an expression for a complex problem, what is crucial to remember?

In forming an expression for a complex problem, it is essential to unify all components in one equation. This approach ensures that all relevant variables and their relationships are captured cohesively, allowing for a comprehensive understanding of the problem. By representing the different aspects of the problem in a single, unified equation, it becomes easier to analyze and manipulate the information. This unity also facilitates the application of mathematical operations and helps maintain the logical flow necessary for solving or simplifying the problem effectively.

Creating separate variables or looking at secondary variables first can lead to omissions or confusion, potentially missing crucial relationships that would otherwise be clear when everything is combined. It is also important to prioritize the order of operations properly, but this consideration becomes relevant only once the expression is fully formed. Thus, the emphasis on creating a unified equation lies at the heart of effectively tackling complex problems.