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Alona [7]
3 years ago
5

Factor completely. 81x^4 − 1

Mathematics
1 answer:
Taya2010 [7]3 years ago
6 0
81x^4-1=(9x^2-1)(9x^2+1)
=(3x-1)(3x+1)(9x^2+1)
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Answer:

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23.) x=2
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6 0
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Aneli [31]

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