Seudónimo
Seudónimo
09-08-2016
Mathematics
contestada
need help with this 3(m + n) - 5 (2m-n)
Respuesta :
garydesir1
garydesir1
09-08-2016
HI Cindy
3(m + n) - 5(2m-n)
3m + 3n - 10m + 5n
3m - 10m +5n -3n
7m - 2n
I hope that's help:)
Answer Link
dalendrk
dalendrk
09-08-2016
3(m + n) - 5(2m - n) |use distributive property a(b +/- c) = ab +/- ac
= 3m + 3n - 10m + 5n
= (3m - 10m) + (3n + 5n)
= -7m + 8n
= 8n - 7m
Answer Link
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