BlackNoir BlackNoir 20-12-2020 Mathematics contestada HELP ASAP Which shows equivalent expressions a^2+3b-2a^2=3^a+3b-4a^2 a^2+3b-2a^2=3^a+4b-4a^2 -a^2+3b-2a^2=3a^2+3b -a^2+3b+2a^2=3a^+4b-2a^2