Question

3m+ [-5m+n-( -2m+3n )]+ 4 m

Answer 1

3m + [-5m + n + 2m - 3n ] + 4m 

3m - 5m - 2n + 4m 

-2m + 4m - 2n

2m - 2n 

2(m - n)

*-*-*-*-*-*-*-*-*-*-*-*
18/02/2016 
Sepauto - SSRC
*-*-*-*-*-*-*-*-*-*-*-*