Answer:
When n = 5, the expression is equal to 1.
To evaluate the expression, simply we can substitute n = 5 into the expression.
[tex]n^2-6n +6[/tex]
[tex](5)^2-6(5)+6[/tex]
[tex]25-30+6[/tex]
[tex]=1[/tex]
So, when n = 5. the expression is 1.