wera4039 wera4039 14-11-2022 Mathematics contestada Which shows equivalent expressions?a²+3b-2a² = 3a²+3b-4a²a² +3b-2a² = 3a² +4b-4a²-a²+3b-2a² = 3a²+3b-a²+3b+2a² = 3a² +4b-2a²