Factor. 81 a 2 − ( 3 a + b ) 2

klepkowy7c

klepkowy7c

Answered

2022-07-26

Factor. 81 a 2 ( 3 a + b ) 2

Answer & Explanation

phravincegrln2

phravincegrln2

Expert

2022-07-27Added 19 answers

81 a 2 ( 3 a + b ) 2
81 a 2 ( 3 a + b ) ( 3 a + b )
81 a 2 ( 9 a 2 + 6 a b + b 2 )
81 a 2 9 a 2 6 a b b 2
72 a 2 6 a b b 2
(12a + b)(6a - b) factored form
Lorelei Patterson

Lorelei Patterson

Expert

2022-07-28Added 6 answers

81 a 2 ( 9 a 2 + b 2 + 6 a b )
81 a 2 9 a 2 b 2 6 a b
72 a 2 6 a b b 2
72 a 2 12 a b + 6 a b b 2
12a(6a-b)+b(6a-b)
(12a+b)(6a-b) is the answer.

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