Jawapan

2016-01-29T10:48:11+08:00
X+2 /2 = 8 /x-4
(x+2)(x-4) = 16
x^2 -4x +2x -8 -16 = 0
x^2 -2x -24 = 0
(x-6)(x+4) = 0

x -6 = 0
x = 6

x +4 = 0
x = -4
daripada soalan, x+2 / 2 = 8 / x-4
kita buat darab bersilang
so, (x+2) darab (x-4) jadi (x+2)(x-4). dan 8 darab 2 jadi 16
betul. ^_^
thanks tolong jawabkan stpmdude. ^_^