1. May 4, 2008 #1

   Holocene

   

   Factoring negative quantity from algebraic expression???
   
   Why is this wrong???
   
   [tex]\displaystyle{28xy^2 - 14x = -14x(-2y^2 + 1)}[/tex]
   
   The book instead does this:
   
   [tex]\displaystyle{28xy^2 - 14x = -7x(-4y^2 + 2)}[/tex]

    

   Holocene, May 4, 2008
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3. May 4, 2008 #2

   flebbyman

   

   Your book is incorrect

    

   flebbyman, May 4, 2008
4. May 4, 2008 #3

   Hurkyl

   

   Staff Emeritus

   Science Advisor

   Gold Member

   Those are both valid factorizations.

    

   Hurkyl, May 4, 2008

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