Question 471773
{{{(5*sqrt(4 )- 3*sqrt(2))(5*sqrt(27) + 5*sqrt(8))=(5*2-3*sqrt(2))(5*sqrt(9*3)+5*sqrt(4*2))=(10-3sqrt(2))(15sqrt(3)+10sqrt(2))=150sqrt(3)+100sqrt(3*2)-45sqrt(2*3)-30(sqrt(2))^2=150sqrt(3)+55sqrt(6)-60}}}