Respuesta :

Answer:

The solution is [tex]x = 3[/tex]

Step-by-step explanation:

We have the following equation:

[tex]\sqrt{x+6} = 3[/tex]

Elevating both sides to 2, we can isolate x

[tex]\sqrt{x+6}^{2} = 3^{2}[/tex]

[tex]x + 6 = 9[/tex]

[tex]x = 9 - 6[/tex]

[tex]x = 3[/tex]

Checking

[tex]\sqrt{x+6} = \sqrt{3+6} = \sqrt{9} = 3[/tex]