# Algebra II - three special types of factoring

by KELLY
(HAZLETON, PA)

What are the three special types of factoring described in section 6.4? Which of these three makes the most sense to you? Which of these is the most difficult? Explain why. Provide a problem for the class to try from the section 6.4 exercises, #15-89

### Comments for Algebra II - three special types of factoring

 May 08, 2013 factoring formulas by: Staff AnswerPart IYou didn't say what book you are using or what the three special types of factoring are described in section 6.4.However, you are probably referring to the following types of factoring:1 Factoring a difference of squares.2 Factoring a perfect square trinomial.3 Factoring a difference of cubes.4 Factoring a sum of cubes.Factoring a difference of squares For example, factor the following: 4x² - 64 The difference of squares formula is used extensively to rationalize the denominator of a fraction.Factoring a perfect square trinomial --------------------------------------

 May 08, 2013 factoring formulas by: Staff -------------------------------------- Part II For example, factor the following: x² + 16x + 64 Or, factor the following trinomial: x² - 16x + 64 Factoring a difference of cubes For example, factor the following: x³ - 216 --------------------------------------

 May 08, 2013 factoring formulas by: Staff -------------------------------------- Part III Factoring a sum of cubes For example, factor the following: x³ + 216 Thanks for writing. Staff www.solving-math-problems.com

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