Complex sentence: Since the 1990s it experienced rapid suburban growth into surrounding greenfield land and become a commuter town in the Melbourne-Geelong growth corridor and due to urban sprawl the city and its suburbs have merged into the Melbourne conurbation.
Split into simpler sentences: Since the 1990s the suburb has experienced rapid suburban growth into surrounding greenfield land, and becoming a commuter town in the Melbourne-Geelong growth corridor. Due to this urban sprawl Wyndham and its suburbs have merged into the Melbourne conurbation.