solve for x simplify your radical answer completely. would really appreciate help

Answer:
[tex]2\sqrt{13}[/tex]
Step-by-step explanation:
Just use the Pythagorean Theorem:
[tex]14^2 - 12^2 = x^2[/tex]
[tex]196-144 = x^2[/tex]
[tex]x^2 = 52[/tex]
[tex]x=\sqrt{52}[/tex]
[tex]\sqrt{52} = 2\sqrt{13}[/tex]