Question 436647
{{{x^2 + (x + 2)^2 = 202}}}
{{{x^2 + x^2 + 4x + 4= 202}}}
{{{2x^2 + 4x -198 = 0}}}
{{{x^2 + 2x - 99= 0}}}
<==> (x +11)(x - 9) = 0 ==> x = 9 ==> x +2 = 11.
(Don't accept x = -11.  Why?)