Combine and Simplify: 2(square root of)18 - (square root of)27 + (square root of)32

a) 13(square root of)6
b) 10(square root of)2 - 3(square root of)3
c) 7(square root of)6
d) 10(square root of)6 + (square root of)3
e) none of these