Question

socorro me ajudem por favor

Answer 1

$\sqrt{6 + (\sqrt{x+1} )} = 2 .\sqrt{2} . =6 + (\sqrt{x+1}) = (2 \sqrt{2}) ^{2} = 6 + (\sqrt{x+1}) = 4.2 = 6 + (\sqrt{x+1}) = 8 = (\sqrt{x+1}) = 8 - 6 =(\sqrt{x+1}) = 2 = x + 1 = 2^2 x = 4 - 1 x = 3$