Question 1021211
Using the Pythagorean theorem,
{{{x^2+(x+31)^2=(x+32)^2}}}
{{{x^2+x^2+62x+961=x^2+64x+1024}}}
{{{2x^2+62x+961=x^2+64x+1024}}}
{{{x^2-2x-63=9}}}
{{{(x-9)(x+7)=0}}}
Only positive x solutions are allowed.
{{{x-9=0}}}
{{{x=9}}}