Question

Letra c) 2x2+4x-6=0
Resolver por delta

Answer 1

$2x^2+4x-6=0\\\Delta=4^2-4.2.(-6)\\\Delta=64$

$x= \frac{-4\pm 8}{4}$

$\boxed{x_1=1}$

$\boxed{x_2=-3}$