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29-05-2016
Mathematics

Answered

Factor the expression.

x^3+8

Verified Answer :

31-05-2016

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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