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This should be very simple, even silly If I ask this mathematica

 Expand [(x + 1) (x + 2) (x + 3)]

Mathematica delivers me well

 6 + 11 x + 6 x ^ 2 + x ^ 3

as achieving this result

x ^ 3 + 6 x 2 + 11 x +6
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marked as duplicate by MarcoB, belisarius, ciao, Bob Hanlon, Mr.Wizard Jun 13 at 2:33

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Plus[ ] is Orderless ... –  belisarius Jun 12 at 22:16
    
expr = (x + 1) (x + 2) (x + 3); expr // Expand // TraditionalForm –  Bob Hanlon Jun 12 at 23:39
    
thanks,ok , puff very easy :( –  Fernando Silva Jun 13 at 1:48
    
Related: (6358), (9483), (9570), (15744), (20714), (30216) –  Mr.Wizard Jun 13 at 2:30

1 Answer 1

up vote 0 down vote accepted

This works nicely:

PolynomialForm[(x + 1) (x + 2) (x + 3) // Expand, TraditionalOrder -> True]
   x^3 + 6 x^2 + 11 x + 6

The problem with PolynomialForm[] is that it is merely a wrapper, like MatrixForm[] for matrices. So, this makes things display pretty, but it should not be given as input for further calculations. You can copy the output, however.

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thanks , what order I put the letter out for more big and bold? –  Fernando Silva Jun 13 at 1:45

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