Ответ:
3x(х+6)-(2х-2)(х+4)=
=3х^2+18х+2х^2+8х-2х-8=
=5х^2+24х-8
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Ответ:
3x(х+6)-(2х-2)(х+4)=
=3х^2+18х+2х^2+8х-2х-8=
=5х^2+24х-8