Question

5(m-1)+2(m+2)-(3m+3) ?????

Answer 1

5(m-1)+2(m+2)-(3m+3)=5m-5+2m+4-3m-3=(5m+2m-3m)-(5-4+3)=4m-4

Answer 2

5(m-1)+2(m+2)-(3m+3) = 5m - 5 + 2m + 4 - 3m - 3  = 4m - 4