Have you tried the "gather" environment?
Access it in Insert -> Math -> AMS gather Environment
Create a new line with CTRL+Enter
Does this answer your question?
On Sunday 19 November 2006 14:12, Guy Rutenberg wrote:
> I want to enter a multiple lines into a display formula and center each
> line by it's own (I don't won't the lines to aligned together).
>
> The equivalent tex input for what i ask is:
>
> $$\displaylines{(x+a)^2 = x^2+2ax+a^2\cr
> (x+a)(x-a) = x^2-a^2\cr}$$
>
>
> Can someone please explain to me how do I do it in LyX?
>
> Regards,
> Guy
--
Rudi Gaelzer
Department of Physics
Institute of Physics and Mathematics
Federal University of Pelotas
BRAZIL
Registered Linux User # 153741
