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10 September, 13:52

Factor the expression.

x^3+8

+2
Answers (1)
  1. 10 September, 17:25
    0
    X^3+8

    = x^3+2^3

    a^3 + b^3 = (a + b) (a^2 - ab + b^2)

    so

    x^3+8

    = x^3+2^3

    = (x+2) (x^2-2x+2^2)

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