Solve (x^2 + 2xy + y^2)(x+1) and show all work
A. x^3 + 2x^2y + x^2 + y^2 +xy^2
B. x^2 + 2xy + y^2
C. x^3 + x^2 +2x^2y +xy^2 + y^2 + 2xy
D. x^2 + y^2 + 2xy + x + 1