Question 835263
{{{(9)^2+(x-3)^2=x}}}
{{{81+x^2-6x+9=x}}}
{{{x^2-7x+90=0}}}
Use the quadratic formula,
{{{x = (-b +- sqrt( b^2-4*a*c ))/(2*a) }}} 
{{{x = (-(-7) +- sqrt( (-7)^2-4*1*90 ))/(2*1) }}} 
{{{x = (7 +- sqrt( 49-360 ))/(2) }}}
{{{x = (7 +- sqrt( -311 ))/(2) }}}  
{{{highlight_green(x = (7 +- sqrt( 311 )i)/(2)) }}}