oblicz
3*(4x³-2x²-x+3)-2[(8x-5)(x²+x+2)]=
12x³-6x²-3x+9-2(8x³+8x²+16x-5x²-5x-10)=
12x³-6x²-3x+9-2(8x³+3x²+11x-10)=
12x³-6x²-3x+9-16x³-6x²-22x+20=
-4x³-12x²-25x+29
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3*(4x³-2x²-x+3)-2[(8x-5)(x²+x+2)]=
12x³-6x²-3x+9-2(8x³+8x²+16x-5x²-5x-10)=
12x³-6x²-3x+9-2(8x³+3x²+11x-10)=
12x³-6x²-3x+9-16x³-6x²-22x+20=
-4x³-12x²-25x+29