Respuesta :

ulili

Answer:

smaller x= -12

larger x= 12

Step-by-step explanation:

[tex]3x^2+4=436\\[/tex]

subtract 4

[tex]3x^2=432[/tex]

divide by 3

[tex]x^2=144[/tex]

square root

[tex]\sqrt{x^2} =\sqrt{144}[/tex]

[tex]x= +-\sqrt{144}[/tex]

[tex]x= 12\\x= - 12[/tex]

armanarmanbaba
X = 12 that is the answer