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23 December, 07:18

The polynomial x^3+8 is equal to

(X+2) (x^2-2x+4)

(X-2) (x^2+2x+4)

(X+2) (x^2-2x+8)

(X-2) (x^2+2x+8)

+3
Answers (1)
  1. 23 December, 08:39
    0
    A

    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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