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Svetllana [295]
3 years ago
10

Need help with this 3(m + n) - 5 (2m-n)

Mathematics
2 answers:
Oksi-84 [34.3K]3 years ago
4 0
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
Dominik [7]3 years ago
3 0

HI Cindy


3(m + n) - 5(2m-n)

3m + 3n - 10m + 5n

3m - 10m +5n -3n

7m - 2n


I hope that's help:)


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