Question

resposta rapidamente!!!​

Answer 1

Resposta:

$a) \: \: x { }^{2} = 64 \\ x = \sqrt{64} \\ x = 8 \\ \: d) \: 7x {}^{2} = 7 \\ \: x {}^{2} = \frac{7}{7} \\ \: x = \sqrt{1} \\ \: b) \: x = \sqrt{1} \\ \: x = 1$