
Inez V.
asked 05/10/201. What are the questions, in order, that you ask yourself as you start to factor a polynomial? What do you need to do as a result of the answer to each question?
1 Expert Answer

Doug C. answered 05/10/20
Math Tutor with Reputation to make difficult concepts understandable
Here are some ideas:
1) Does the polynomial have a GCF? If yes, factor out the GCF. leaving the GCF times the "residual" polynomial.
2) Is the residual polynomial a binomial? If yes...
a) is it a difference of squares? If yes, factor as product of sum and difference of same two expressions.
b) is it a difference of cubes? If yes, apply the technique for factoring a difference of cubes.
c) is it a sum of cubes? if Yes, apply technique for sum of cubes factoring.
3) is the residual polynomial a trinomial? If yes...
a) is it a perfect square trinomial. If yes, write as a binomial squared.
b) If not a perfect square trinomial, try to factor into a binomial times another binomial, using techniques
available, i.e. ("undo foil", "the ac method", "the box method")
4) is the residual polynomial containing four terms? If yes, try factoring by grouping.
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Mark M.
Totally dependent on the degree/characteristics of the polynomial.05/10/20