Jawabanmu

2014-08-13T15:03:21+07:00
A) (5a+8)(8a+3)
= 40a² + 79a + 48
b) 2(3a + 5b + 3)
= 6a + 10b + 3
4(2b - 3a + 6)
= 8b -12a +24