Question

qual a alternativa correta ?

x2 + 6x + 5 = 0


a) x' = –1 e x'' = –5

b) x' = 3 e x'' = 9

c) x' = –1 e x'' = 2

d) x' = 5 e x'' = –4​

Answer 1

Nenhuma alternativa está correta,
x1 = -10
x2 = -2