Question

The expression (a + b – c)³ + (a – b + c)³ – 8a³ is equal to:

• A. 6a (a–b+c) (c–a–b)
• B. 3a (a+b–c) (a–b+c)
• C. 6a(a+b–c) (a– b+c)
• D. 3a (a–b+c) (c–a–b)

Answer 1

Answer: (A)