Question 420423

{{{ x+10=10*sqrt(x+1)}}}

 {{{(x+10)^2=100*(x+1)}}}

 {{{ x^2+20x+100=100x+100 }}}

 {{{ x^2-80x=0 }}}

 {{{ x*(x-80)=0 }}}

 {{{ x=o }}}

 {{{ x-80=0 }}}

  {{{ x=80}}}


    {0,80}