[tex]16x^2-1=0 2[/tex]
[tex]16x^2-1=0 2:x[/tex]
[tex]
16x^2=1
[/tex] [tex]|Add \ 1 \ to \ both \ sides|[/tex]
[tex]x^2= \dfrac{1}{16} [/tex] [tex]|Divide \ both \ sides \ by \ 16|[/tex]
[tex]x^2= \sqrt{\dfrac{ \sqrt{1}}{ \sqrt{16}}}[/tex] [tex]|Take \ the \ square \ root \ of \ both \ sides|[/tex]
[tex]x= \dfrac{1}{4} [/tex]