Решите уравнение: 100x^2-16=0

\[\ 100x^{2} - 16 = 0\]

\[(10x - 4)(10x + 4) = 0\]

\[10x - 4 = 0\ \ \ \ \ \ \ \ 10x + 4 = 0\]

\[10x = 4\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ 10x = - 4\]

\[x = 0,4\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ x = - 0,4\]

\[Ответ:\ \ \ x = \pm 0,4.\]