Question 720859
{{{sqrt(x)+2-x=0}}}


{{{sqrt(x) = x-2}}}

square both sides of the equation

x=x^2-4x+4

x^2-5x+4 =0

x^2-4x-x+4=0

x(x-4)-1(x-4)=0

(x-4)(x-1)=0

x=1 OR 4