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Re: avoid combining like terms in algebraic expression

  • To: mathgroup at smc.vnet.net
  • Subject: [mg121130] Re: avoid combining like terms in algebraic expression
  • From: "Christoph Lhotka" <christoph.lhotka at univie.ac.at>
  • Date: Wed, 31 Aug 2011 06:02:31 -0400 (EDT)
  • Delivered-to: l-mathgroup@mail-archive0.wolfram.com

Hello,

HoldForm will prevent the evaluation of the epxression:

In[1]:= HoldForm[3x+4x]
Out[1]= 3 x+4 x

Best,

Christoph

On 30/08/2011 12:35, Phil Hammond wrote:
> I'm generating problems for basic algebra students, and I would like
> to present expressions with like terms (e.g. 3x + 4x) and have the
> students combine them in their answers. Could somebody help me
> persuade Mathematica to refrain from combining them automatically?
>
> Thanks-
>
>






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