Factorization of 9a2 - 16 b2 is:

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13 + 2 =
Solve this simple math problem and enter the result. E.g. for 1+3, enter 4.

Factorization of 9a2 - 16 b2 is:

(3a +4b)(3a-4b)

(3a -4b)(3a-4b)

(3a +4b)(3a+4b)

(3a -4b)(3a+4b)