25x2 = 16
=>
[tex]\begin{gathered} 25x^2\text{ = 16} \\ \text{Divide both sides by 25} \\ \frac{25x^2}{25}\text{ =}\frac{16}{25} \\ \end{gathered}[/tex]
[tex]\begin{gathered} x^2\text{ =}\frac{16}{25} \\ x\text{ =}\sqrt[]{\frac{16}{25}} \\ x\text{ =}\pm\text{ }\frac{4}{5} \end{gathered}[/tex]
