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(9b−1)(9b+1) Me pueden ayudarme con esta otra pregunta Please.
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(9b−1)(9b+1) Me pueden ayudarme con esta otra pregunta Please.
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Dec 6, 2021
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(9b−1)(9b+1) Me pueden ayudarme con esta otra pregunta Please.
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Maxim Zaslavsky
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Answer:
Using identify (a+b)(a-b) =a²-b²
Ur answer is (9b-1)(9b+1) =81b²-1
Abdullah Mallik
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Dec 12, 2021
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