Jawapan

  • far
  • Tangan Bantuan
2016-03-21T22:54:01+08:00
= 6m - 4n - 5m - 7mn + n
= -7mn + m - 3n
1 5 1
  • Pengguna Brainly
2016-03-22T13:36:07+08:00
6m-4n-(5m+7mn-n) = 6m - 4n - 5m - 7mn + n = m - 3n - 7mn