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Ostrovityanka [42]
4 years ago
14

Factor completely x^4 -81

Mathematics
1 answer:
PtichkaEL [24]4 years ago
4 0
x^4-81=\\
(x^2-9)(x^2+9)=\\
(x-3)(x+3)(x^2+9)

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-4 to 5                                      <em> -4 to 5</em>                             <

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