Question

questão do 2° grau


6x²+5x+1=0

Answer 1

Olá, Julianoquirino!

6x² + 5x + 1 = 0
a = 6
b = 5
c = 1

Δ = b² - 4.a.c
Δ = 5² - 4.6.1
Δ = 25 - 24
Δ = 1

-b +- √Δ / 2.a
-5 +- √1 / 2.6
-5 +- 1 / 12

x' = -5+1/12 = -4:4/12:4 = -1/3
x'' = -5-1/12 = -6:6/12:6 = -1/2

S = {-1/3, -1/2}