Jawabanmu

2014-08-14T05:48:44+07:00
(x+5/2x-1) (x+5/2x-1) = x2+10x+25/4x2-4x+1

(x2+10x+25/4x2-4x+1) (x+5/2x-1) = x3+15x2+75x+125/8x3-12x2+6x-1