ece04 ece04
  • 16-07-2020
  • Mathematics
contestada

Solve
3x2 - 5x - 1 = 0

Respuesta :

Space
Space Space
  • 16-07-2020

Answer:

x = -0.18046, 1.84713

Step-by-step explanation:

Since we cannot factor the quadratic, we need to use quadratic formula ([tex]x = \frac{-b+/- \sqrt{b^2-4ac} }{2a}[/tex]):

a = 3

b = -5

c = -1

[tex]x = \frac{-(-5) +/- \sqrt{(-5)^2-4(3)(-1)} }{2(3)}[/tex]

[tex]x = \frac{5+/- \sqrt{25 + 12} }{6}[/tex]

[tex]x = \frac{5+/- \sqrt{37} }{6}[/tex]

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