Answer:
7ab3-2a3b-10
Step-by-step explanation:
3ab3-4a3b+10+2a3b+4ab3-20
3ab3+4ab3-4a3b+2a3b+10-20
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Verified answer
Answer:
7ab3-2a3b-10
Step-by-step explanation:
3ab3-4a3b+10+2a3b+4ab3-20
3ab3+4ab3-4a3b+2a3b+10-20
7ab3-2a3b-10