Question

Identify the polynomial that represents the shaded area of the figure

Answer 1

10a-41

Explanation:

(a+4)(a-4)-
`(a-5)^(2)`

=
`a^(2)`-
`4^(2)`-(
`a^(2)`-10a+25)

=
`a^(2)`-16-
`a^(2)`+10a-25

=10a-41