Jawabanmu

2014-05-07T14:26:05+07:00
4x2+x-2>0 = 4X2+0-2>0 = 8-2>0= 6>0

2x2-5x-4<0
= 2X2-5.0-4<0 = 4-0-4<0 = -4<0

BEGINI KAH JAWABANNYA MAAF KALAU SALAH