Solving Equations with Surds | Get Help Now

[dyn]

Hi.
This is not a homework question but I saw this equation on an advert for a website.

(x+15)^1/2 + x^1/2 = 15

I tried squaring both sides of the equation but that didn't help. Can this equation be solved exactly or can it only be solved by iteration ?
Thanks

 

[mfb]

Try isolating one square root ($\sqrt {...} = ...$) before squaring, afterwards it should be clear how to solve for x.

 

[dyn]

Thanks for your help. Got the answer now