X^5+x^3-x^2-1 разложить ** множители, help mee

Question

X^5+x^3-x^2-1 разложить на множители, help mee

Answer 1

X⁵ + x³ - x² - 1 = x³(x² + 1) - (x² + 1) = (x² +1)(x³ - 1) =
                       = (x² + 1)(x - 1)(x² + x + 1)

Answer 2

X⁵ + x³ - x² - 1 = x³(x² + 1) - (x² + 1) = (x² +1)(x³ - 1) = (x² + 1)(x - 1)(x² + x + 1)