\[16x^{2} - 4 = 0\]
\[16x^{2} = 4\]
\[x^{2} = \frac{4}{16} = \frac{1}{4}\]
\[x = \pm \frac{1}{2} = \pm 0,5.\]
\[Ответ:x = \pm 0,5.\]