a(b + 7)
4(m-1) + 3
7a + 7b + 2a + 3b
5(5m) + 2m + (6m)5
(4a)(4b)
2m + 2 + 3m
4 * 5 + 3(2m) + 5m + 3
(3m)2
24 + 12a + 6b
4 ( 1 + m + 2)
23 + 11m
5m + 2
4 + 4m + 8
4m - 4 + 3
6(4 +2a + b)
6m
16ab
9a + 10b
ab + 7a
57m
