Question

Add.
2root 2 + 5root 3 and root 2-3root 3

Answer 1

$2 \sqrt{2} + 5 \sqrt{3} + \sqrt{2} - 3 \sqrt{3} \\ = 3 \sqrt{2} + 2 \sqrt{3}$

Answer 2

$(2 \sqrt{2} + 5 \sqrt{3} ) + ( \sqrt{2} - 3 \sqrt{3} ) \\ 2 \sqrt{2} + \sqrt{2} + 5 \sqrt{3} - 3 \sqrt{3} \\ 3 \sqrt{2} + 2 \sqrt{3}$
Hope it will help you buddy