Factorization of 64h2 -81 is:

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1 + 1 =
Solve this simple math problem and enter the result. E.g. for 1+3, enter 4.

Factorization of 64h2 -81 is:

(8h -9) (h +9)

(8h +9) (h -9)

(8h +9) (8h +9)

(8h -9) (8h +9)