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This is simple, but it doesn't work:

In[1]=FullSimplify[(A0 + B0) C0]
Out[1]=(A0 + B0) C0

which should be:

A0 C0+ B0 C0

It doesn't work, Why?

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  • 3
    $\begingroup$ Expand[(A0 + B0) C0] gives A0 C0 + B0 C0 Simplify works by finding the "smallest" expression (in terms of leaf counting). So it sees (A0 + B0) C0 as simpler, that is why. $\endgroup$ – Nasser Jul 12 '14 at 9:12
  • $\begingroup$ I have marked this question as a duplicate of one that exhibited the same issue. Please read that question and its answers, and if you feel it does not adequately address your question let me know. $\endgroup$ – Mr.Wizard Jul 12 '14 at 9:18