Jawabanmu

2014-08-14T16:44:02+07:00
(3a+4)^2 = (3a + 4)(3a + 4)
= 9a^2 + 24a + 16
2014-08-14T16:44:03+07:00
(3a+4)(3a+4)
9a2+12a+12a+16
=9a2+24a+16