Question 34648
{{{ (4-2sqrt(3))^2 }}}
{{{ (4-2sqrt(3))(4-2sqrt(3)) }}}
{{{ 16 - 8sqrt(3) - 8sqrt(3) + 2sqrt(3)*2sqrt(3) }}}
{{{ 16 - 8sqrt(3) - 8sqrt(3) + 4sqrt(3)*sqrt(3) }}}
{{{ 16 - 8sqrt(3) - 8sqrt(3) + 4sqrt(3*3) }}}
{{{ 16 - 8sqrt(3) - 8sqrt(3) + 4sqrt(9) }}}
{{{ 16 - 8sqrt(3) - 8sqrt(3) + 4*3 }}}
{{{ 16 - 8sqrt(3) - 8sqrt(3) + 12 }}}
{{{ 28 - 8sqrt(3) - 8sqrt(3) }}}
{{{ 28 - 16sqrt(3) }}}


I have done every single change on a different line so you can see the working fully. Usually it would be something like:
{{{ 16 - 8sqrt(3) - 8sqrt(3) + 2sqrt(3)*2sqrt(3) }}}
{{{ 16 - 16sqrt(3) + 4*3 }}}
{{{ 16 - 16sqrt(3) + 12 }}}
{{{ 28 - 16sqrt(3) }}}


jon.