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What is the factorization of 121b^4 − 49?

2 Answers

1 vote

Answer:

D

Step-by-step explanation:

User Byteptr
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6 votes

Answer:

(11b^2 + 7) (11b^2 - 7)

Step-by-step explanation:

Since both terms are perfect squares, factor using the difference of squares formula, a^2 - b^2 = (a + b) (a - b) where a = 121b^4 and b = 49

User Obaskly
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