Ponie
Ponie
19-05-2016
Mathematics
contestada
9(1+3m-n)+6n-15m+4(2-M+3n)+4n
Respuesta :
Petroniusz
Petroniusz
19-05-2016
9(1+3m-n)+6n-15m+4(2-M+3n)+4n =
= 9 +
27m
- 9n + 6n
- 15m
+ 8 - 4M + 12n + 4n =
-- X X -- Y X X
we reduce similar words (
I marked them further)
= 17 + 12m + 13n - 4M
answer 12m + 13n - 4m + 17
_________________________
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