Jawabanmu

2014-09-07T19:05:55+07:00
(a+2) (a+2b-5)
= a kuadrat+2ab-5a+2a+4b-10
= a kuadrat+2ab-3a+4b-10
maaf kalo jawabannya salah ^_^
2014-09-07T19:09:24+07:00
(a+2) (a+2b-5)=
a²+2ab-5a+2a+4b-10
a²+2ab-3a+4b-10