Respostas

2013-10-03T22:35:32-03:00




Formula Bhaskara
x²+4=0
a=1
b=0
c=4

b² -4 . 1 . c
0² -4 . 1 . 4
16

-b+/- raiz quadrada
         2.a

0 +/- 4
     2

x¹ -4/2

x¹ =-2

x² =2
0