Respuesta :

Answer:

x^2=5-x

x^2+x-5=0

x=-1± √(1)^2-4(1)(-5)   /2(1)

-1± √21   /2

Step-by-step explanation:

Answer:

The answer will be A.  -1± √21   /2

Step-by-step explanation:

I hope it helps