Answer :
we have the expression
[tex]9x^2-64=0[/tex]Solve for x
[tex]\begin{gathered} 9x^2=64 \\ x^2=\frac{64}{9} \\ take\text{ square root on both sides} \\ x=\pm\frac{8}{3} \end{gathered}[/tex]we have the expression
[tex]9x^2-64=0[/tex]Solve for x
[tex]\begin{gathered} 9x^2=64 \\ x^2=\frac{64}{9} \\ take\text{ square root on both sides} \\ x=\pm\frac{8}{3} \end{gathered}[/tex]