A square patio is surrounded by a brick walkway. What is the total area of the patio AND the walkway?

(1 point)
Responses

(x2+25x+125)
sq. ft
open paren x squared plus 25 x plus 125 close paren sq. ft

(x2+20x+100)
sq. ft
open paren x squared plus 20 x plus 100 close paren sq. ft

(x2+10x+25)
sq. ft
open paren x squared plus 10 x plus 25 close paren sq. ft

(x2+15x+50)
sq. ft

The correct answer is (x2+15x+50) sq. ft.