# How do you solve #sqrt(3 + sqrt5) -sqrt(2 + sqrt3)#?

##### 1 Answer

Jan 7, 2015

Here I can give you only a hint (I have to go to work!).

I would use a technique called "denesting";

You can write:

You square both sides:

And you put:

You must now solve this system in

You should get:

Try substituring in your original expression and eventually rationalize.

PLEASE check my numbers and operations because I did them in a hurry!!! :-l