Jawabanmu

Jawaban paling cerdas!
2014-08-31T14:47:43+07:00
 \frac{ x^{2} -16}{ x^{2} -x-20} = \frac{(x-4)(x+4)}{(x+4)(x-5)}= \frac{x-4}{x-5}

(x+4) sama (x+4) dicoret
maaf...,, caranya gmn ya...??
thx
thx ya...