Answer:
[tex]ax^2 = 48\\a = \frac{48}{x^2}[/tex]
[tex]ax^2 = 48\\x^2 = \frac{48}{a} \\x = \frac{\sqrt{48} }{\sqrt{a} } \\x = \frac{4\sqrt{3} }{\sqrt{a}} \\x = \frac{4\sqrt{3a} }{a}[/tex]
