Question

Combine these radicals.
3 square root 2 -5 square root 2

Answer 1

The guy above me is right, it is A

Explanation:

I got that answer right on the Quiz... In total I got an 80% But this was one of the right answers.

Answer 2

-2√2.

Explanation:

Treat the radical as if it were a variable.

3x - 5x = -2x

3√2 - 5√2 = -2√2.