Which is equivalent to the following expression?

(3x2+5xy−2y2)+(x2+3xy−y2)
(1 point)
Responses

(4x2+8xy+3y2)
open paren 4 x squared plus 8 x y plus 3 y squared close paren

(4x2+5xy−3y2)
open paren 4 x squared plus 5 x y minus 3 y squared close paren

(4x2+8xy−3y2)
open paren 4 x squared plus 8 x y minus 3 y squared close paren

(4x2−8xy−2y2)