Question

resolvam esta equação do 2 grau: x²-6x=0

Answer 1

a = 1
b = -6
c= 0

∆ = (-6)² -4.1.0
∆ = 36

x= -(-6) ± √36 / 2
x = 6 ± 6 / 2
x1 = 6+ 6 /2 = 6
x2 = 6-6 / 2 = 0

Answer 2

x² - 6x= 0

x • (x - 6)= 0

x= 0

x - 6= 0

x= 6

S= ( 0 , 6)