Complex sentence: Egypt is in the process of negociation with France regarding the purchasing 24-36 Rafale, the outcome is depended on the terms of the financing agreement; probably to be financed by Saudi Arabia and the UAE.
Split into simpler sentences: Egypt is in the process of negotiating with France regarding the purchase of 24-36 Rafale. The outcome depends on the terms of the financing agreement; which will probably involve Saudi Arabia and the UAE.