Factor: x2+6x+9−y2x^2 + 6x + 9 - y^2x2+6x+9−y2.
(x+3+y)(x+3−y)(x + 3 + y)(x + 3 - y)(x+3+y)(x+3−y)
(x+3)2−y2(x + 3)^2 - y^2(x+3)2−y2 only
(x+y+3)(x−y+3)(x + y + 3)(x - y + 3)(x+y+3)(x−y+3)
(x+3)2+y2(x + 3)^2 + y^2(x+3)2+y2