Respostas

2014-08-12T16:56:00-03:00
Olá, Raquelparecidai1!

3x² = 0

a = 3
b = 0
c = 0

Δ = b² - 4.a.c
Δ = 0² - 4.3.0
Δ = 0 - 0
Δ = 0

-b / 2a
-0 / 2.3
-0 / 6
0

3 4 3