Question

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

Answer 1

Answer:

(9a2-10)(9a3+10) because (a-b)(a+b)=a^2-b^2