Question

Упростите выражение х(х – 1)(х – 1) – (х – 2)(х2 +2х +4)

Answer 1

X(x - 1)(x - 1) - (x - 2)(x² + 2x + 4) = x(x² - 2x + 1) - (x³ - 2³) =
= x³ - 2x² + x - x³ + 8 = - 2x² + x + 8

Answer 2

Условие не пишу
＝х^3-х^2+х-х^2+х^3-2х^2+2х^2--4х+4х-8＝-2х^2+х-8