Respuesta :

Answer:

[tex]x=\pm2i\sqrt{\frac{2}{3}}[/tex]

Step-by-step explanation:

we have

[tex]3x^{2}-6=-14[/tex]

Solve for x

Adds 6 both sides

[tex]3x^{2}-6+6=-14+6[/tex]

[tex]3x^{2}=-8[/tex]

Divide by 3 both sides

[tex]x^{2} =-\frac{8}{3}[/tex]

square root both sides

[tex]x=\pm\sqrt{-\frac{8}{3}}[/tex]

Remember that

[tex]i=\sqrt{-1}[/tex]

so

[tex]x=\pm i\sqrt{\frac{8}{3}}[/tex]

simplify

[tex]x=\pm2i\sqrt{\frac{2}{3}}[/tex]