Respuesta :

Answer:

Step-by-step explanation:

2x^2+4=0

2(x^2+2)=0

x^2+2=0

x^2=-2

x=✓2*i or x=-✓2*i where i=✓-1

Answer:

[tex]\pm\sqrt{2}i[/tex]

Step-by-step explanation:

[tex]2x^2+9-5=0\\x^2-2=0\\x^2=-2\\x=\pm\sqrt{2}i[/tex]

Done!