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3 years ago

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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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