Wie kann ich beim CAS TI-Nspire dieses solve eingeben damit er eine quadratische gleichung löst?

A2 On a construction site, three 50 kg cement bags must be lifted to the first floor (h = 3.0 m) of a house, four to the second floor (h = 6.5 m), and two to the attic (h = 9.5 m). All cement bags are lifted simultaneously by a crane and then unloaded onto…