Respuesta :

Answer:

Step-by-step explanation:

x^2-18x+58=0

[tex]x^{2}[/tex] - 18x  + [tex](-9)^{2}[/tex]  +58 = [tex](-9)^{2}[/tex]

[tex](x-9)^{2}[/tex] +58 = 81

[tex](x-9)^{2}[/tex]  = 23

x - 9 = [tex]\sqrt{23}[/tex]

x = [tex]\sqrt{23}[/tex] + 9

:)  there you go   answer A) might be good