What is the factorization of 49b^2 - 81 ? A - (7b-9)(7b-9) B - (7b-9(b2^+9) C - (7b2^-9)(7b2^-9) D - (7b2^-9)(7b2^+9)

asked Feb 4, 2019 107k views

4 votes

What is the factorization of 49b^2 - 81 ?

A - (7b-9)(7b-9)
B - (7b-9(b2^+9)
C - (7b2^-9)(7b2^-9)
D - (7b2^-9)(7b2^+9)

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6 votes

The answer is (7b+9)(7b-9), so whichever letter that corresponds to.

Sqrepants answered Feb 5, 2019

8.2k points

2 votes

none of these answers are correct. are you sure these are your answer choices?

Hilikus answered Feb 8, 2019

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