Respuesta :

Answer:

-4/3

Step-by-step explanation:

[tex]9x^2+24x=-16[/tex]

[tex]9x^2+24x+16=0[/tex]

[tex]x=\dfrac{-24\pm\sqrt{24^2-4(16)(9)}}{18}=[/tex]

[tex]\dfrac{-24\pm\sqrt{0}}{18}=[/tex]

[tex]-\dfrac{4}{3}[/tex]

Hope this helps!