Jawabanmu

2014-09-03T20:56:10+07:00
-3m + 4n - 6 + 7n - 8m + 10
= -3m - 8m +4n + 7n -6 +10
= -11m + 11n +4
2014-09-03T20:56:24+07:00
(-3m + 4n - 6) + (7n - 8m + 10)
-3m + 4n -6 + 7n - 8m+ 10
-3m - 8m + 4n + 7n - 6 + 10
-11m + 11n + 4