Question

x ao quadrado menos 5x = 0

resolva usando Bhaskara

Answer 1

x²-5x=0

a)1
b)-5
c)0

∆= b²-4.a.c
∆=(-5)-4.1.0
∆=25

x=-b±√∆
2.a
x=-(-5)±√25
2.1
x=5±5
2

x¹=5+5=10=5
2 2

x²=5-5=0=2
2 2