(3x -2y) (3x + 2y)(9x² + 4y²) is equal to: *
(9x² + 4Y²)²
(9x² – 4y²)².
81x⁴ +16y⁴
81x⁴ –16y⁴
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Answer:
(9x-4y²)².
Thank you.
I hope this would help you my friend.
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