Question 90159
{{{((x-5)^2)}}} = 7 [take the square root of both sides of the equation]

{{{(sqrt(x-5)^2)}}} = {{{(sqrt(7))}}}
.
x-5 = {{{(+-sqrt(7))}}} [add (5) to both sides of the equation]
x = 5{{{+-sqrt(7)))}}}
Answer: B