Question

Упростите выражение(√6+√3 )^2-√72

Answer 1

$( sqrt{6} + sqrt{3} )^2- sqrt{72} =6+2 sqrt{18}+3- sqrt{72} =6+2 sqrt{18}+3- 6 sqrt{2} =6+ \ 6 sqrt{2} +3-6 sqrt{2} =6+3=9$

Answer 2

Спасибо

Answer 3

пж