Question

-X AO QUADRADO + 6X +10

Answer 1

Resposta:

a= -1

b= 6

c= 10

Δ= b²-4ac

Δ= 36+40= 76

x¹ ² = -b+-√Δ/2ac

x¹ ²=-6+-√76/-20

x¹= -6+√76/-20

x²= -6-√76/-20