Respuesta :

Answer:

A. (±[tex]\sqrt{10}[/tex])

Step-by-step explanation:

To find the value of x, you have to square both sides of the equation. [tex]\sqrt{x^{2} }[/tex] cancels out to just [tex]x[/tex], so you're left with [tex]x=[/tex]±[tex]\sqrt{10}[/tex].