Respuesta :

Answer:

  • 9

Step-by-step explanation:

  • [tex]\sqrt{x} = 3[/tex]

Square both sides:

  • [tex](\sqrt{x} )^2 = 3^2[/tex]
  • x = 9

[tex]\\ \tt\Rrightarrow \sqrt{x}=3[/tex]

[tex]\\ \tt\Rrightarrow x=3^2[/tex]

[tex]\\ \tt\Rrightarrow x=3(3)[/tex]

[tex]\\ \tt\Rrightarrow x=9[/tex]