Question

What is the factorization of 49b2 − 81?

(7b – 9)(7b – 9)
(7b – 9)(7b + 9)
(7b2 – 9)(7b2 – 9)
(7b2 – 9)(7b2 + 9)

Answer 1

(7b-9)(7b+9)

explanation:
I learned in math last year

Answer 2

Answer:

B. (7b – 9)(7b + 9)

Step-by-step explanation:

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