Task: Question Answering
Input (English): Question: If A^2 + B^2 = 30 and AB = 10, what is the value of the expression (A - B)^2 + (A + B)^2?

 Option A: 10

 Option B: 20

 Option C: 30

 Option D: 60

 Option E: 70
Output (English): Option D