What is the factorization of g^3 - 125

asked Apr 19, 2017 202k views

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by Sauli

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4 votes

$a^3 - b^3 = (a - b)(a^2 + ab +b^2) \\ \\\rightarrow g^3 - 125 = g^3 - 5^3 = (g - 5)(g^2+5g+5^2)$

Aditya Giri answered Apr 22, 2017

7.4k points

3 votes

$q^3-125=q^3-5^3=(q-5)(q^2+5q+5^2)\\\\=\boxed{(q-5)(q^2+5q+25)}\\\\Used:a^3-b^3=(a-b)(a^2+ab+b^2)$

GreySage answered Apr 26, 2017

8.2k points

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