Tolong ya yg bae yg cakep yg ganteng baik hati dan tida sombong :)

[tex] \frac{5}{x + 3} + \frac{6}{x + 4} \\ = \frac{5(x + 4)}{(x + 3)(x + 4)} + \frac{6(x + 3)}{(x + 4)(x + 3)} \\ = \frac{5x + 20}{x^2 + 7x + 12} + \frac{6x + 18}{x^2 + 7x + 12} \\ = \frac{(5x + 20) + (6x + 18)}{x^2 + 7x + 12} \\ = \frac{11x + 38}{x^2 + 7x + 12} [/tex]

D