Hi there, thanks in advance for any help

Make A the subject of the formula:

Q = C.Asquare root(2g.h / (1-A^2/x^2))

I have got this far but unsure what to do with the fraction of a fraction... the (x^2) bit.

Q^2 / C^2.A^2 = (2g.h / (1-A^2/x^2))

Thank you again for any assitance

Mike