Respuesta :

Answer:

-4.449

4.449

Step-by-step explanation:

[tex](x-2)^2-9=0\\x^2-4x+4-9=0\\x^2-4x-2=0\\\frac{4+-\sqrt{4^2-4*1*(-2)} }{2*1} \\\frac{4-\sqrt{24} }{2}=-4.449\\\frac{4+\sqrt{24} }{2}=4.449\\[/tex]