Respuesta :

Answer:

Step-by-step explanation:

x(x+2)=899

x^2+2x-899=0

[tex]x=\frac{-2 \pm\sqrt{4+3596} }{2} \\=\frac{-2 \pm36}{2} \\x=-19,17\\[/tex][tex]so ~numbers ~are~-19,-17\\or~17,19[/tex]