Add: 2ab-bc; 2bc-ca; 2ca-ab
Answers
Answered by
2
Answer:
2ab-bc,2bc-ca;2ca-ab
2ab-bc + 2bc-ca + 2ca-ab
2ab-ab - bc+2bc - ca+2ca
ab+bc+ca
Answered by
1
Answer:
ab+bc+ca
Step-by-step explanation:
[2ab-bc]+[2bc-ca]+[2ca-ab]
=2ab-bc+2bc-ca+2ca-ab
=ab+bc+ca
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