add 3ab+9bc-2ac,11ab-3bc-4ac,-1ab-2bc-6ac
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Answered by
0
Answer:
13ab+4bc-12ac
Step-by-step explanation:
3ab + 9bc -2ac + 11ab - 3bc - 4ac - 1ab - 2bc - 6ac
Answered by
1
Answer:
this is the correct answer I hope it helps you to solve your question dear
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