Please help, im so confused PLEASEEEEE

Answer:
[tex] x^2 -6^2[/tex]
x(x - 6) + 6(x - 6)
Step-by-step explanation:
Area of the white figure
= Area of external square - Area of internal square
[tex] x^2 -6^2[/tex]
This can also be written as:
x(x - 6) + 6(x - 6)