Question 478209
{{{(6sqrt(7)+8sqrt(2))(3sqrt(7)+2sqrt(2))=18(sqrt(7))^2+12sqrt(7)sqrt(2)+24sqrt(2)sqrt(7)+16(sqrt(2))^2=18*7+12sqrt(14)+24sqrt(14)+16*2=126+36sqrt(14)+32=158+36sqrt(14)}}}