Question 175187
I will do 10 only.

10) (x-6)² 

(x-6)² can be written as two factors:

(x - 6) (x - 6)

x times x = x^2

x times -6 = -6x

-6 times x = -6x

-6 times -6 = 36

We now have:

x^2 - 6x - 6x + 36

Combine like terms to get the final answer:

x^2 - 12x + 36