Answer :

Answer:

(9a^3 + 10)(9a^3 - 10)

Step-by-step explanation:

81a^6 - 100

= (9a^3)^2 - 10^2 ---->(Difference of 2 squares)

= (9a^3 + 10)(9a^3 - 10)

The006

Answer:

It's C. (9a^3-10)(9a^3+10

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