Final answer:
The question appears to be about simplifying or solving an algebraic expression, but the details provided are incomplete, making it impossible to provide an accurate answer without further clarification.
Step-by-step explanation:
The student's request appears to involve simplifying an algebraic expression or solving an algebraic equation using given values for variables a, b, and c. However, the question details provided are fragmented and lack a coherent problem statement. This suggests that either there has been a transcription error or important parts of the problem have been omitted. Without a complete and clear question, it is not possible to offer an accurate solution.
To fully address the student's needs, the student would need to provide a complete problem statement. Typically, if provided appropriately, the problem would involve substituting the given values into an equation, simplifying the terms, possibly solving for an unknown value, and checking if the solution is reasonable within the context of the problem.