tolong isi beserta caranya

2 sqrt(27) + 3 sqrt(18) - 2 sqrt(3)
= 2x3 sqrt (3) + 3x3 sqrt(2) - 2 sqrt (3)
= 9 sqrt (2) + 4 sqrt (3) (c)

jawaban terbaik ya, thx xD

2√27 + 3√18 - 2√3
2√3×3×3 + 3√2×3×3 - 2√3
6√3 + 9√2 - 2√3
4√3 + 9√2
(c)