add 7ab+6bc-7ca and -2ab+4bc+2ca
Answers
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2
Step-by-step explanation:
The answer will be
5ab+10bc-5ca OK friend
Answered by
6
Expanation:
7ab + 6bc - 7ca + (-2ab + 4bc + 2ca)
= 7ab + 6bc - 7ca - 2ab + 4bc + 2ca
= 7ab - 2ab + 6bc + 4bc - 7ca + 2ca
= 5ab + 10bc - 5ca
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