Question

bhaskara f(x)= x²+4×+5​

Answer 1

1) Letras:

a = 1

b = 4

c = 5

2) Bhaskara:

∆ = b² - 4ac

∆ = 4² - 4.1.5

∆ = 16 - 20

∆ = - 4

Resposta: - 4