Question

Can someone show me the steps to solve this

Answer 1

`87 - 18 √(6)`

Explanation:

We want to expand:

`( √(6) - 9)^(2)`

We expand to get:

`( √(6) - 9)( √(6) - 9)`

`√(6) ( √(6) - 9) - 9( √(6) - 9)`

We expand using the distributive property to get:

`6 - 9 √(6) - 9 √(6) + 81`

`6 - 18 √(6) + 81`

Finally simplify to get:

`87- 18 √(6)`