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lbvjy [14]
3 years ago
9

Your answers

Mathematics
1 answer:
MAVERICK [17]3 years ago
6 0

Answer: 9a^4 - b^2

= (3a^2)^2 - b^2  

= (3a^2 + b)(3a^2 - b) using a^2 - b^2 = (a+b)(a-b)

hope it helps.

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