Evaluate square root of 24 - x when x = 6. Write the answer in simplified radical form.?

So, first we input 6

24 - 6 = 18

So we now need to find the square root of 18

If you're allowed to use a calculator, the square root is 4.242

But if you don't, let's get as close as we can:

√ (9 * 2)

Because the square root of 9 is 3:

3 * √2