Collecting Like Terms
Expansions
100
3x + 7x
10x
100
3 - 10
-7
200
10x x 3x
30x
200
3 (m + 2) +2m
5m + 6
300
30x - 27x
3x
300
6m -2 (m+3)
4m- 6
400
-5 + 8
3
400
8 (1 - m) + 4m
8 - 4m
500
-10 - 2
-12
500
3a (a -2 ) -6a
3a2 - 12a
M
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