Question 472136
{{{(x-y)^2=50}}}



{{{x^2-2xy+y^2=50}}}



{{{x^2-2(7)+y^2=50}}}



{{{x^2-14+y^2=50}}}



{{{x^2+y^2=50+14}}}



{{{x^2+y^2=64}}}