3√2(2√12-4√1/8 +3√48)

3√2(2√12-4√1/8 +3√48)


3√2(2√12-4√1/8 +3√48)
=3√2(4√3-1/2√8 +12√3)
=3√2(16√3-√2)
=48√6-6