Respuesta :

Answer:

[tex]x=\sqrt{7}[/tex]

Step-by-step explanation:

[tex]7x^2=49[/tex]

Dividing both sides by 7 we get

[tex]\frac{7x^2}{7}=\frac{49}{7}[/tex]

[tex]x^2=7[/tex]

taking square root on both hand sides we get

[tex]\sqrt{x^2}=\sqrt{7}[/tex]

[tex]x=\sqrt{7}[/tex]