Factorization 8 + x ^ 3 △ 27 For example, x ^ 3 / 27 should be in the form of fraction
8+x^3÷27
=2^3+(x/3)^3
=(2+x/3)[2^2-2*x/3+(x/3)^2]
=(2+x/3)(4-2x/3+x^2/9)
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