See attachment.

2. I don't think u can simplify it more than:

$y=\sqrt{36+\sqrt{81-\sqrt{9}}}$

$y=\sqrt{36+\sqrt{81-3}}$

$y=\sqrt{36+\sqrt{78}}$

3. This is already "solved" for y. If you mean "find a decimal value for y", use a calculator.

4. ## You got it!

Originally Posted by Stroodle
I don't think u can simplify it more than:

$y=\sqrt{36+\sqrt{81-\sqrt{9}}}$

$y=\sqrt{36+\sqrt{81-3}}$

$y=\sqrt{36+\sqrt{78}}$
This is exactly what I needed.