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]