Respuesta :

it's C

step one
(x+(1+5)/3
(x+6)/3

step two
(x+(6/2))/3
(x+3)/3

step three
(x+ (3-1)/3
(x+2)/3

step four
(x+2)^2/3

the reason it's not D is because it says square the difference not the division part two aka the bottom