To solve the expression , you can factor it. Notice that both terms share a common factor of 9. So, you can rewrite it as . This is a great way to simplify equations, especially when you need to solve for !

In real-world scenarios, expressions like could represent a situation where you’re calculating costs. For instance, if represents the number of items you’re buying, and each item costs $9, the total cost would be given by this expression, plus an additional fixed cost of $36. This kind of calculation is common in budgeting and financial planning!