2(3а-2)^2^-3а(3а-2)+1=
=2(9а^2^-12а+4)-9а^2^+6а+1=
= 18а^2^ -24а+8-9а^2^+6а+1=
=9а^2^+18а-9
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2(3а-2)^2^-3а(3а-2)+1=
=2(9а^2^-12а+4)-9а^2^+6а+1=
= 18а^2^ -24а+8-9а^2^+6а+1=
=9а^2^+18а-9