Question

Помогите!!!! Срочно!!!!! Решите подробно!!!!!!!

Answer 1

$(4sqrt{3}-2sqrt{5})timessqrt{3}+sqrt{60}\4sqrt{3}timessqrt{3}-2sqrt{5}timessqrt{3}+sqrt{60}\4sqrt{3times3}-2sqrt{5times3}+sqrt{60}\4sqrt{9}-2sqrt{15}+sqrt{60}\4times3-2sqrt{15}+sqrt{4times15}\12-2sqrt{15}+2sqrt{15}\12$

Answer 2

большое спасибо Вам