Question 322252
{{{sqrt(20-8x) = x}}}
{{{20-8x=x^2}}}
{{{x^2+8x-20=0}}}
{{{(x+10)(x-2)=0}}}
Two solutions:
{{{x+10=0}}}
{{{highlight(x=-10)}}}
.
.
.
{{{x-2=0}}}
{{{highlight(x=2)}}}