MathGroup Archive 2003

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Those Pesky Minus Signs

  • To: mathgroup at smc.vnet.net
  • Subject: [mg43275] Those Pesky Minus Signs
  • From: "David Park" <djmp at earthlink.net>
  • Date: Sat, 23 Aug 2003 08:09:00 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

Dear MathGroup,

How would one simplify

(-1/2)(a + b + c)
1/2(-a - b - c)

so the minus sign was in front? Why does it get pulled within in the first
place?

David Park
djmp at earthlink.net
http://home.earthlink.net/~djmp/


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