lilbaby98 lilbaby98

29-10-2019
Mathematics

contestada

The polynomial X3+ 8 is equal to

Respuesta :

jimrgrant1 jimrgrant1

29-10-2019

Answer:

(x + 2)(x² - 2x + 4)

Step-by-step explanation:

x³ + 8 ← is a sum of cubes and factors in general as

a³ + b³ = (a + b)(a² - ab + b²), thus

x³ + 8

= x³ + 2³

= (x + 2)(x² - 2x + 4)

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