PLEASE HELP!!

I got about half way through the problem but I ddont know hiw to solve the rest :\

solve the radical equation.
[tex] \sqrt{x + 3} - 1 = x[/tex]

PLEASE HELPI got about half way through the problem but I ddont know hiw to solve the rest solve the radical equationtex sqrtx 3 1 xtex class=