Question 268365
{{{2*sqrt(x)+3=x}}}


{{{2*sqrt(x)=x-3}}}

{{{4x=x^2-6x+9}}}

{{{x^2-10x+9=0}}}

discriminant {{{100-4*9=100-36=64}}}

{{{x=10+- sqrt(64))/2}}}

{{{x=(10+- 8)/2}}}

{{{x=5+- 4}}}

{{{x=1}}} {{{or}}} {{{x=9}}} -------------check if either or both work