Respuesta :

trdanli2221

We want to add something to the right side of the equation to get 81.


x^2 - 18x + 81 = 23


The final step is to factor and subtract 23. (Subtracting 23 is a unnecessary, but whatever)


(x - 9)^2 - 23 = 0


So "x" = 9 + sqrt23


charlielily10074

Answer:

they are right:)

Step-by-step explanation:

PLATO