√12(√6+√3)-2√18 pomogite

Question

√12(√6+√3)-2√18 pomogite

Answer 1

√12(√6+√3)-2√18= √4*3(√6+√3)-2√18= 2√3(√6+√3)-2√18= 2√18 +6-2√18= 6

Answer 2

√12(√6+√3)-2√18=√12√6+√12√3-2√(9.2)=√(12.6)+√(12.3)-2.3.√2=
=√72+√36-6√2=√(36.2)+6-3√2=√36√2+6-3√2=6√2-3√2+6=3√2+6