Respostas

2014-05-14T22:11:25-03:00
9x² + 9x + 2 = 0

Δ = 81 - 72 = 9

x = -9 +- 3
        18
x¹ = -12/18 = -2/3
x² = -6/18 = -1/3
2014-05-14T22:18:59-03:00
9X+9x+2=0

18x=-2
x= 9
 é a reposta dessa equaçao