Question

(1-2x)(4x^2+2x+1)+8x^3 упростить

Answer 1

(1-2x)(4x^2+2x+1)+8x^3=0
4x^2x+1-8x^3-4x^2-2x+8x^3=0 находим подобные 
1=0

Answer 2

(1-2x)(4x^2+2x+1)+8x^3 =
=(1-2x)(4x²+2x+1)+8x³ = 
=4х²+2х+1-8х³-4х²-1+8х³ = 2х