Question

Helpppppppppppppppppppp

Answer 1

The answer is the second one.
The one that shows 5 square root of 2.

Answer 2

What you should do for this case is:
 Step 1:
 Rewrite the expressions of the roots.
 Step 2:
 Take the square root of the terms you can.
 Step 3:
 Do the algebraic sum.
 Answer:
 option 2.
 See attached image.