Identify the polynomial that represents the shaded area of the figure

Answer:
10a-41
Step-by-step explanation:
(a+4)(a-4)-[tex](a-5)^{2}[/tex]
=[tex]a^{2}[/tex]-[tex]4^{2}[/tex]-([tex]a^{2}[/tex]-10a+25)
=[tex]a^{2}[/tex]-16-[tex]a^{2}[/tex]+10a-25
=10a-41