Question 460080
{{{x=10}}} or {{{x=10}}} (note: since there's one solution, but the polynomial is of degree 2, this means there's a double root)



{{{x-10=0}}} or {{{x-10=0}}}



{{{(x-10)(x-10)=0}}}



{{{x^2-20x+100=0}}}



So the equation is {{{x^2-20x+100=0}}}