Resposta:
a) x²-6x=0
x . (x-6) = 0
x = 0
x - 6 = 0
x = 6
[tex]x_{1}[/tex] = 0
[tex]x_{2}[/tex] = 6
b)2x²-10x=0
2x . (x-5) = 0
x . (x-5) = 0
x - 5 = 0
x = 5
[tex]x_{2}[/tex] = 5
c) 5x² +40x=0
5x . (x + 8) = 0 : 5
x . (x+8) = 0
x + 8 = 0
x = -8
[tex]x_{1}[/tex] = -8
[tex]x_{2}[/tex] = 0
d)-3x²=0 . (-1)
3x² = 0 : (3)
x² = 0
Explicação passo-a-passo:
