Zapisz w postaci jak najprostrzej sumy algebraicznej :
2(2x+3)(2x-1)=
=2(4x²-2x+6x-3)=
=2(4x²+4x-3)=
=8x²+8x-6
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2(2x+3)(2x-1)=
=2(4x²-2x+6x-3)=
=2(4x²+4x-3)=
=8x²+8x-6