Step-by-step explanation:
ifigikkffkfkfgvpnvqnf
Answer:
b
6(√2 - 5√3).
3√2 ( 2 - 5 √6)
= 6√2 - 15√12
= 6√2 - 15√4√3
= 6√2 - 30√3
= 6(√2 - 5√3)