Respostas

2013-11-11T18:10:10-02:00
-b +- RAIZ b² - 4AC \ 2a

6 +- RAIZ 6² -4.1.-16 \ 2.1
6+- RAIZ 36 + 64 \2
6 +- RAIZ 100 \ 2
6 +- 10  \ 2

x1 =   6+10\2     =   8
x2 =   6-10\2       = -2