Запишите многочлен в стандартном виде: 1) (2х+1)(2х-1)^2 2) (2х+1)(2х-1)^2+(1-2х)^3

Question

Запишите многочлен в стандартном виде:
1) (2х+1)(2х-1)^2
2) (2х+1)(2х-1)^2+(1-2х)^3

Answer 1

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Answer 2

1) (2х+1)(2х-1)^2=(4x²-1)(2x-1)=8x³-4x²-2x+1
2) (2х+1)(2х-1)^2+(1-2х)^3 =8x³-4x²-2x+1+1-6x+12x²-8x³=8x²-8x+2