michellewilliam michellewilliam
  • 08-06-2014
  • Mathematics
contestada

need help.  multiply and simplify answer,  2x(x-9y)²

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konrad509
konrad509 konrad509
  • 08-06-2014
[tex] 2x(x-9y)^2=\\ 2x(x^2-18xy+81y^2)=\\ 2x^3-36x^2y+162xy^2[/tex]
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