Respostas

2013-06-11T10:14:04-03:00

Δ=-b²-4.a.c

Δ=(-25)²-4.1.0

Δ=625-0

Δ=625

 

 

x=b±√Δ /2.a

 

x=-25±√625 /2.1

x=-25±25/2

x=0

 

x¹=-25+25/2

x¹=0

 

x°=-25-25/2

x°=-50/2

x°=-25

 

 

Resposta (0,-25)

 

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