Question 339868
{{{2sqrt(48)-3sqrt(27)}}}
={{{2*sqrt(2*2*2*2*3)-3*sqrt(3*3*3)}}}  break the numbers into primes
={{{2*sqrt(2^4*3)-3*sqrt(3^2*3)}}}
={{{2*2^2*sqrt(3)-3*3*sqrt(3)}}}
={{{8*sqrt(3)-9*sqrt(3)}}}
={{{highlight(-sqrt(3))}}}