Can you please help with this one question?

Can you please help with this one question? I've attached the question along with the format for solving. 

• Attachment 1
• Attachment 2

Solving Radicals−√54−3 √ 6+3 √ 27Simplifying the radicals ¿ find perfect square factor −√9 × 6−3 √ 6+3 √ 9 ×3Taking roots where possible−√9 × √ 6−3 √ 6+3 ( √...