Nomor 12... Beserta Caranya

[tex] = \frac{2(x + 3) - 3(x + 2)}{(x + 2)(x + 3)} \\ = \frac{2x + 6 - 3x - 6}{ {x}^{2} + 5x + 6} \\ = \frac{ - x}{ {x}^{2} + 5x + 6 } [/tex]
Jawaban D