SOLUTION: factor completely 27x^3+125

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Question 222189: factor completely 27x^3+125
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
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27x^3 + 125
:
You can see both coefficients are perfect cubes, 3 and 5
:
Use the special factoring form for the "sum of cubes" (x + y)(x^2 - xy + y^2)
:
In this problem:
(3x + 5)(9x^2 - 15x + 25)