Sum and difference of powers

Revision as of 20:26, 10 March 2008 by Temperal (talk | contribs) (Sum and difference of cubes moved to Sum and difference of powers: more general title)

The sum and difference of cubes identities refer to two powerful factoring techniques that, respectively, factor a sum of cubes and a difference of cubes.

Factored Forms of Sums and Differences of Cubes

  • $a^3 + b^3 = (a+b)(a^2-ab+b^2)$
  • $a^3-b^3 = (a-b)(a^2+ab+b^2)$

See also

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