In this video the instructor shows how to factor a polynomial. A polynomial having three terms is called as trinomial. Now if you factor it you will obtain two binomials whose product will be the original polynomial. Before factoring a polynomial you need to find out if the polynomial has a GCF. Look out for the common variables in all the three terms and pull them out which is the GCF of the polynomial. This simplifies the original equation to a polynomial which is of lower degree. Now factorize that new polynomial into two binomial as shows in this video. Finally tag the original pulled out GCF to it to obtain the factors of the original polynomial. This video shows how to factorize a trinomial by first pulling out the GCF.