How do you simplify #2 sqrt11 + sqrt44#?
To simplify this you have to search for something you cah do in the square root. You can notice that
and we know that we can separate the square root of a product in the product of the square roots (be careful with this rule, it is valid only for multiplications and divisions, not for sum and subtraction).
Then we have the initial expression:
and now I substitute what I obtained for