Respuesta :

x + 5 = x^2 + 3
x + 5 - 3 = x^2 + 3 - 3
x + 2 -x^2 = x^2 -x^2
-x^2 + x + 2 = 0
You can use the quadratic equation to solve the rest.
The quadratic equation is [tex] \frac{-b± \sqrt{b^{2}-4(ac)} }{2a} [/tex]
[tex]ax^{2} +bx+c=0[/tex]