Solve it please.Its urgent please.
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Answer:
The answer is 4bc + 3ca - abc.
Step-by-step explanation:
3ab - ab + bc + 2ca - ( abc + 2ab - 3bc - ca)
= 3ab - ab + bc + 2ca - abc - 2ab + 3bc + ca
= 3ab - ab - 2ab + bc + 3bc + 2ca + ca - abc
= 4bc + 3ca - abc
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