Simplify: 2x2+6xx+3\frac{2x^2 + 6x}{x + 3}x+32x2+6x (assume x≠−3x \neq -3x=−3).
2x2x2x
2x+62x + 62x+6
2x22x^22x2
2x1\frac{2x}{1}12x