(√3 3\5 - √6 2/5) :√2/45

Question

(√3 3\5 - √6 2/5) :√2/45

Answer 1

  =√18/5-√32/5):√2/45=(√9*2/√5-√16*2/√5)*(√9*5/√2)=(3√2-4√2)/√5*(3√5/√2)=-√2/√5*(3√5/√2)=-3