How can solue the inequation system in mathematica

*To*: mathgroup at smc.vnet.net*Subject*: [mg34728] How can solue the inequation system in mathematica*From*: MailPhys <physics.nsu at bdvn.vnd.net>*Date*: Tue, 4 Jun 2002 03:41:37 -0400 (EDT)*Sender*: owner-wri-mathgroup at wolfram.com

Dear friends This my question. How can I solve the Inequation system in mathematica. I haven't seen any command for that for example 2*x^3 +y^ +1 >0 5*x^2 -y^2+5<0 If you know that , please point out to me Thank you