What is the factorization of 81a6 - 100? (9a2 - 10) (9a3 10) (9a2 - 10) (9a3 - 10) (9a3 - 10) (9a3 10) (9a3 - 10) (9a3 - 10)

The given expression, 81a^6 - 100, is a difference of two squares. The first term 81a^6 is a square of 9a³. The second term, 100, is a square of 10. The factors of the given expression is therefore, (9a³ - 10) x (9a³ + 10).