Relax

Respuesta :

Answer:

[tex]-1\pm\dfrac{\sqrt{14}}{2}[/tex]

Step-by-step explanation:

[tex]2x^2+4x-5=0[/tex]

Using the quadratic formula:

[tex]x=\dfrac{-4\pm \sqrt{16+40}}{4}=-1\pm\dfrac{\sqrt{14}}{2}[/tex]

Hope this helps!