-5х(3-2х) - (4х+3)²-8=-15х+10х²-(16х²+24х+9)-8= -15х+10х²-16х²-24х-9-8=
=-6х²-39х-17
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-5х(3-2х) - (4х+3)²-8=-15х+10х²-(16х²+24х+9)-8= -15х+10х²-16х²-24х-9-8=
=-6х²-39х-17