Question 220642
(square root of x) - 3 = x-15
{{{sqrt(x) - 3 = x-15}}}
{{{sqrt(x) = x-12}}}
Square both sides
{{{x = x^2 - 24x + 144}}}
{{{x^2 - 25x + 144 = 0}}}
(x-9)*(x-16) = 0
x = 9
x = 16