SOLUTION: # 27. Factor the sum of two cubes x^3+27=

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: # 27. Factor the sum of two cubes x^3+27=      Log On


   



Question 749351: # 27.
Factor the sum of two cubes
x^3+27=

Answer by tommyt3rd(5050) About Me  (Show Source):
You can put this solution on YOUR website!
the sum of cubes is:

a%5E3%2Bb%5E3=%28a%2Bb%29%28a%5E2%2Bab%2Bb%5E2%29

so...


x%5E3%2B3%5E3=%28x%2B3%29%28x%5E2%2B3x%2B3%5E2%29


:)