(2n-1)³- 4n²+2n+1= 8n³- 3×4n²+3×2n-1- -4n²+2n+1= 8n³-12n²+6n -1 -4n² +2n+1=
=8n³-16n²+8n= 8(n³-2n²+n)
Ответ: Г - 16
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(2n-1)³- 4n²+2n+1= 8n³- 3×4n²+3×2n-1- -4n²+2n+1= 8n³-12n²+6n -1 -4n² +2n+1=
=8n³-16n²+8n= 8(n³-2n²+n)
Ответ: Г - 16