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14-11-2022
Mathematics

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Which shows equivalent expressions?
a²+3b-2a² = 3a²+3b-4a²
a² +3b-2a² = 3a² +4b-4a²
-a²+3b-2a² = 3a²+3b
-a²+3b+2a² = 3a² +4b-2a²

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