Question

x elevado a 2 -6=0 ?

Answer 1

$x^2 - 6 = 0$

$x^2 = 6$

$x = \sqrt{6} = 6^{\frac{1}{2}}$

Answer 2

$x^{2} -6=0\\ x^{2} =6\\ x= \sqrt{6} \\ x=2,449...$