Question 372676
{{{(5-sqrt(3))(5-sqrt(3))=5^2+5*(-sqrt(3))+(-sqrt(3))*5+(sqrt(3))^2}}}
{{{(5-sqrt(3))(5-sqrt(3))=25+3-10*sqrt(3)}}}
{{{(5-sqrt(3))(5-sqrt(3))=highlight(28-10*sqrt(3))}}}