Question

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$x2 - 64 = 0$
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Answer 1

Resposta:

x²-64=0

x²=64

x=±√64=±8

Answer 2

$x {}^{2} - 64 = 0$

$x {}^{2} = 64$

$x = \pm8$

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Att, IzabelaCristina2006 ❤️ ♈