tolong sama caranya mksh...

[tex] = \frac{ {x}^{2} - 4x }{ {x}^{2} - 2x - 8} \\ = \frac{x(x - 4)}{(x - 4)(x + 2)} \\ = \frac{x}{x + 2} [/tex]
Jawaban A

x²- 4x. x ( x - 4 ). x
______ =________=________
x²-2x-8. (x - 4)(x +2). (x + 2 )