square root of 6 (11 square root of 2 minus 2 square root of 2)

I did everything in the paranthesis first

(11 square root of 2 minus 2 square root of 2)

(9 square root of 2)

(which breaks down to 3 square root of 2)

so far I got square root of 6(3 square root of 2)

what do I do next?