Homework Help Forum: Math

Posted by Katrina on Thursday, October 29, 2009 at 12:16pm.

I just do not understandthe concept of this can some one make it more simple for me to understand? Remove parenthesis and simpilfy its not just this one its the whole understanding thing. 8p+5q-9(8p-8q+9r) I got -72+67q-81r

• Math - MathMate, Thursday, October 29, 2009 at 5:52pm

  See: http://www.jiskha.com/display.cgi?id=1256829685

  
  

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