Look at the attached picture
Hope it will help you...
-pragya~~
Answer:
[tex]27[/tex]
Step-by-step explanation:
[tex](6 + 3)(6 - 3) \\ \: \: \: \: \: \: \: \: \: \: \: 9 \times 3 \\ \: \: \: \: \: \: \: = 27[/tex]