It seems like I can’t do more advanced data analysis right now. Please try again later. However, I can help you solve this manually if you'd like.

Would you like a step-by-step breakdown?

Here are 5 related questions you might find useful:

1. What are the common steps to evaluate algebraic expressions with multiple variables?
2. How do you simplify an expression with negative values in algebra?
3. Can this type of problem be expanded for different exponents or more variables?
4. How would the solution change if c were negative?
5. How can we represent similar problems graphically?

Tip: When plugging in negative numbers into expressions, always pay attention to signs to avoid errors.