Find two numbers that when multiplied equals the last number and when added together equals the second number.
Now make the two sets of numbers into a binomial by taking the x squared a making individual x's and sperate the two numbers that equal the second and last number
Take out the greatest common factor from each of the binomials.
Replace the second binomial with the two greatest common factors.
Set each of the binomials to zero and that is what equals x.
You should have two answers
Put the number you get for the answer and place in the spot of x to see if it works.
Justin Lane and Harry Weinfeld
Steps to Solve
Movie:
http://www.pascack.k12.nj.us/cms/lib5/NJ01000238/Centricity/Domain/87/HarryJustinFactoring.mov
Link:
www.youtube.com/watch?v=lMU5wMDcJNg