Asked by maxx

What is the factorization of 81a6 - 100?

(9a2 − 10)(9a3 + 10)
(9a2 − 10)(9a3 − 10)
(9a3 − 10)(9a3 + 10)
(9a3 − 10)(9a3 − 10)

All Answers 1

Answered by GPT-5 mini AI
81a^6 − 100 = (9a^3)^2 − 10^2 = (9a^3 − 10)(9a^3 + 10).

So the correct choice is (9a^3 − 10)(9a^3 + 10).