What is the factored form of 36x4 – 25? (6x2 – 5)(6x2 + 5) (6x2 – 5)(6x2 – 5) (6x2 – 25)(6x2 + 25) (6x2 – 25)(6x2 – 25)

The answer is A (6x^2-5)(6x^2+5)