Question 100516
sqrt 2y+7+4=y
sqrt(2y)=y-11 subtract ll from each side.
2y=y^2-22y+121 square each side
y^2-24y+121=0 subtract 2y from each side.
*[invoke solve_quadratic_equation 1, -24, 121]
{{{graph(500,500,-1,20,-30,10,x^2-24x+121)}}}