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-4(x²+1+2x)-(3x³+9x²-6x+x²+3x-2) =
-4x²-4-8x-(3x³+10x²-3x-2) =
-4x²-4-8x-3x³-10x²+3x+2 =
-14x²-2-5x-3x³ =
-3x³-14x²-5x-2
=(-4x-4)²-[(3x+1)×(x²+3x+2)]=
=16x²-16x+16-(3x³+9x²-6x+x²+3x-2)=
=16x²-16x+16-3x³-9x²-6x+x²+3x-2=
=8x²-19x+14-3x³