Jawabanmu

2013-12-04T21:43:48+07:00
2(3a) . b + c
= 2(3.-6) . 5 + (- 2)
= 2 . - 18 . 5 + (- 2)
= - 36 . 5 + (-2)
= - 180 + (-2)
= - 182