farahmahdi
farahmahdi farahmahdi
  • 10-09-2019
  • Mathematics
contestada

( X^3 - 1 ) = ?

Plz answer

X3 1 Plz answer class=

Respuesta :

jimrgrant1 jimrgrant1
  • 10-09-2019

Answer:

(x - 1)(x² + x + 1)

Step-by-step explanation:

x³ - 1 is a difference of cubes and factors in general as

a³ - b³ = (a - b)(a² + ab + b²)

here a = x and b = 1, thus

x³ - 1 = (x - 1)(x² + x + 1)

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