Algebra Examples

Factor x^3-a^3
x3-a3x3a3
Step 1
Since both terms are perfect cubes, factor using the difference of cubes formula, a3-b3=(a-b)(a2+ab+b2)a3b3=(ab)(a2+ab+b2) where a=xa=x and b=ab=a.
(x-a)(x2+xa+a2)(xa)(x2+xa+a2)
 [x2  12  π  xdx ]  x2  12  π  xdx