SOLUTION: {{{x^3+1}}} I have to factor that out and I'm not sure how to do it

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: {{{x^3+1}}} I have to factor that out and I'm not sure how to do it      Log On


   

Question 479308: x%5E3%2B1
I have to factor that out and I'm not sure how to do it
Found 2 solutions by Alan3354, stanbon:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
x%5E3%2B1
I have to factor that out
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It's a sum of 2 cubes.
a%5E3+%2B+b%5E3+=+%28a%2Bb%29%2A%28a%5E2+-+ab+%2B+b%5E2%29

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Factor x^3+1
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x^3+1 = (x+1)(x^2-x+1)
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cheers,
Stan H.
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