Factoring Polynomials

Steps :
(1) Factor out the GCF of all the terms.
(2) If the polynomial has :
- two terms , check to see if it is a difference of cubes, a sum of cubes, or a difference of cubes;
- three terms , guess (. . . and check with F O I L) or use grouping ;
- four or more terms , try grouping .
(3) Be persistent and careful!