Question 692538
{{{ g(x) = 15 }}}
{{{ (x+5)^2 = 15 }}}
{{{ (x+5)(x+5) = 15 }}}
{{{ (x)(x) + 5x + 5x + (5)(5) = 15 }}}
{{{ x^2 + 10x + 25 = 15 }}}
{{{ x^2 + 10x + 10 = 0 }}}

*[invoke quadratic "x", 1, 10, 10]