Question

Ajutati-ma va roggg!​

Answer 1

45 lei pret initial

reducere de 15%=>45-15*45/100=45-3*9/4=45-6,75=38,25 lei

x^2-5x+6=0

delta=25-24=1=>x1=(5+1)/2=6/2=3

x2=(5-1)/2=4/2=2