Which expression represents the area of a square with side s=2x+3s = 2x + 3s=2x+3?
4x2+94x^2 + 94x2+9
4x2+12x+94x^2 + 12x + 94x2+12x+9
4x2+6x+94x^2 + 6x + 94x2+6x+9
2x2+32x^2 + 32x2+3