Question 602219
{{{-16/(sqrt(14)+2sqrt(7))}}}


Multiply by the conjugate


{{{(-16*(sqrt(14)-2sqrt(7)))/((sqrt(14)+2sqrt(7))*(sqrt(14)-2sqrt(7)))}}}


{{{(-16*(sqrt(14)-2sqrt(7)))/(-16)}}}


{{{(sqrt(14)-2sqrt(7))}}}

{{{(sqrt(14)-sqrt(28))}}}


{{{(sqrt(14)(1-sqrt(2)))}}}