Answer: 4am+4bm+2a+2b
Step-by-step explanation:
Distribute: 2(a+b)+4m(a+b)
2a+2b+4m(a+b)
Distribute: 2a+2b+4m(a+b)
2a+2b+4am+4bm
Rearrange terms: 2a+2b+4am+4bm
4am+4bm+2a+2b
Solution: 4am+4bm+2a+2b
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