Question 175315
{{{(2x)^2+x^2=32^2}}}
:
{{{4x^2+x^2=1024}}}
:
{{{5x^2=1024}}}
:
{{{5x^2-1024=0}}}
:
x=appx 14.31

*[invoke solve_quadratic_equation 5, 0, -1024]