+118706 You ask specific questions and learn from the answers.
To start with if you are adding you can think of a number inside a square root as like a letter
For example.
Hopefull you know that x+y can not be simplified
In the same way √2+√3 cannot be simplified.
But hopfully you also know that 1x+5x+y=6x+y
Likewise 1√2+5√2+√3=6√2+√3
