Respuesta :

Answer:

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

Step-by-step explanation:

Factor completely 2x^2+4x-2

2x^2+4x-2 =  2* (x^2 + 2x - 1)

x = 1  +  root( 4 - 4*(-1))/2

x = 1 + root(2)

and x = 1 - root(2)