can you please help me understand this kind of problem?

factor sum of two cube:

27x+3x^3

can you explain me by steps? thank you!

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- Jan 28th 2010, 07:08 PMAnemoriFactoring sum of two cube
can you please help me understand this kind of problem?

factor sum of two cube:

27x+3x^3

can you explain me by steps? thank you! - Jan 28th 2010, 07:35 PMadkinsjr
- Jan 29th 2010, 03:33 AMintegral
$\displaystyle (a^3+b^3)=(a+b)(a^2-ab+b^2)$

But this will not work for your expression as said above.