square root of 27 plus square root of 48 minus square root of 12

27 is broken down to square root of 9 and square root of 3

square root of 48 broke down to square root of 8 and square root of 6

the square root of 12 is broken down to square root of 4 and square root of 3

which then breaks down to 2 square root of 3

okay...

9 square root of 3 is broken down to 3 square root of 3 plus 2 square root of 2 minus 2 square root of 3

what is next?