Question

Determinar as raizes reais das equacoes incompletas x²-5x=0

Answer 1

x²-5x=0
∆=(-5)²-4.2.0=25
x=5±√25/2.1
x=5±5/2
x¹=5+5/2=5
x²=5-5/2=0

Answer 2

x² - 5x= 0

x • (x - 5)= 0

x= 0

x - 5= 0

x= 5

S= ( 0 , 5)