Question

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

Answer 1

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 2

HI Cindy

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

3m + 3n - 10m + 5n

3m - 10m +5n -3n

7m - 2n

I hope that's help:)