Simplify: x2+7x+12x+3\frac{x^2 + 7x + 12}{x+3}x+3x2+7x+12
x+4x + 4x+4
x+3x + 3x+3
(x+3)(x+4)x+3\frac{(x+3)(x+4)}{x+3}x+3(x+3)(x+4)
x+12x + 12x+12